GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-11645 (GCVE-0-2026-11645)

Vulnerability from cvelistv5 – Published: 2026-06-08 23:27 – Updated: 2026-06-10 03:58
VLAI CISA Previdian
Summary
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-08 00:00 UTC
CWE
  • Out of bounds memory access
  • CWE-125 - Out-of-bounds Read
  • CWE-787 - Out-of-bounds Write
Impacted products
Vendor Product Version CPE status
Google Chrome Affected: 149.0.7827.103 , < 149.0.7827.103 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2026-11645

Status: Confirmed

Status Updated: 2026-06-09 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2026-06-09
Asserted: 2026-06-09

Scope
Notes: KEV entry: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability | Affected: Google / Chromium V8 | Description: Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. | Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-23 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html ; https://issues.chromium.org/issues/506689381 ; https://nvd.nist.gov/vuln/detail/CVE-2026-11645

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-787 CWE-125
Feed CISA Known Exploited Vulnerabilities Catalog
Product Chromium V8
Due Date 2026-06-23
Date Added 2026-06-09
Vendorproject Google
Vulnerabilityname Google Chromium V8 Out-of-Bounds Read and Write Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-06-09 18:00 UTC | Updated: 2026-06-09 18:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2026-11645

Status: Confirmed

Status Updated: 2026-06-09 13:20 UTC

Exploited: Yes


Timestamps
First Seen: 2026-06-09
Asserted: 2026-06-09

Scope
Notes: KEVIntel entry: Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox... | Affected: Google / Chrome | CVSS: 8.8 (HIGH) | EPSS: 0.00713 | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox...
Vendor Google
Product Chrome
Added Date 2026-06-09T13:20:17.736Z
Cvss Score 8.8
Epss Score 0.00713
Cvss Severity HIGH
Epss Percentile 0.48789
Used In Malware unknown
Ahead Of Cisa Kev
{
  "count": 5,
  "unit": "hour"
}
Not Yet In Cisa Kev False

References

Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-11645",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-08T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-06-09",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-125",
                "description": "CWE-125 Out-of-bounds Read",
                "lang": "en",
                "type": "CWE"
              }
            ]
          },
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-10T03:58:04.682Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-06-09T00:00:00.000Z",
            "value": "CVE-2026-11645 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "149.0.7827.103",
              "status": "affected",
              "version": "149.0.7827.103",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Out of bounds memory access",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-08T23:27:31.298Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html"
        },
        {
          "url": "https://issues.chromium.org/issues/506689381"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-11645",
    "datePublished": "2026-06-08T23:27:31.298Z",
    "dateReserved": "2026-06-08T21:33:37.905Z",
    "dateUpdated": "2026-06-10T03:58:04.682Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2026-11645",
      "cwes": [
        "CWE-787",
        "CWE-125"
      ],
      "dateAdded": "2026-06-09",
      "dueDate": "2026-06-23",
      "forensicTriage": "No",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html ; https://issues.chromium.org/issues/506689381 ; https://nvd.nist.gov/vuln/detail/CVE-2026-11645",
      "product": "Chromium V8",
      "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
      "shortDescription": "Google Chromium V8 out-of-bounds read and write vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.",
      "vendorProject": "Google",
      "vulnerabilityName": "Google Chromium V8 Out-of-Bounds Read and Write Vulnerability"
    },
    "epss": {
      "cve": "CVE-2026-11645",
      "date": "2026-09-19",
      "epss": "0.0219",
      "percentile": "0.81636"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "Chrome",
                "vendor": "Google",
                "versions": [
                  {
                    "lessThan": "149.0.7827.103",
                    "status": "affected",
                    "version": "149.0.7827.103",
                    "versionType": "custom"
                  }
                ]
              }
            ],
            "source": "chrome-cve-admin@google.com"
          }
        ],
        "cisaActionDue": "2026-06-23",
        "cisaExploitAdd": "2026-06-09",
        "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
        "cisaVulnerabilityName": "Google Chromium V8 Out-of-Bounds Read and Write Vulnerability",
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "01D24F75-6488-4FA6-B833-42018156D3B4",
                    "versionEndExcluding": "149.0.7827.103",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)"
          },
          {
            "lang": "es",
            "value": "Lectura y escritura fuera de l\u00edmites en V8 en Google Chrome anterior a 149.0.7827.103 permiti\u00f3 a un atacante remoto ejecutar c\u00f3digo arbitrario dentro de una sandbox a trav\u00e9s de una p\u00e1gina HTML manipulada. (Gravedad de seguridad de Chromium: Alta)"
          }
        ],
        "id": "CVE-2026-11645",
        "lastModified": "2026-07-23T08:10:00.137",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-11645",
                "options": [
                  {
                    "exploitation": "active"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-08T00:00:00+00:00",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-06-09T00:16:47.370",
        "references": [
          {
            "source": "chrome-cve-admin@google.com",
            "tags": [
              "Release Notes",
              "Vendor Advisory"
            ],
            "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html"
          },
          {
            "source": "chrome-cve-admin@google.com",
            "tags": [
              "Permissions Required"
            ],
            "url": "https://issues.chromium.org/issues/506689381"
          },
          {
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "tags": [
              "US Government Resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645"
          }
        ],
        "sourceIdentifier": "chrome-cve-admin@google.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              },
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-06-28T07:15:40+00:00",
      "cve": "CVE-2026-11645",
      "id": "CVE-2026-11645",
      "initial_release_date": "2026-06-08T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "chromium-browser: Out of bounds memory access in V8",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-11645.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "cvssV3_1": {
                  "attackComplexity": "LOW",
                  "attackVector": "NETWORK",
                  "availabilityImpact": "HIGH",
                  "baseScore": 8.8,
                  "baseSeverity": "HIGH",
                  "confidentialityImpact": "HIGH",
                  "integrityImpact": "HIGH",
                  "privilegesRequired": "NONE",
                  "scope": "UNCHANGED",
                  "userInteraction": "REQUIRED",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-11645",
                    "options": [
                      {
                        "Exploitation": "active"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-09T17:47:03.781475Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              },
              {
                "other": {
                  "content": {
                    "dateAdded": "2026-06-09",
                    "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645"
                  },
                  "type": "kev"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-125",
                    "description": "CWE-125 Out-of-bounds Read",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              },
              {
                "descriptions": [
                  {
                    "cweId": "CWE-787",
                    "description": "CWE-787 Out-of-bounds Write",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-09T00:21:23.579Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "references": [
              {
                "tags": [
                  "government-resource"
                ],
                "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-11645"
              }
            ],
            "timeline": [
              {
                "lang": "en",
                "time": "2026-06-09T00:00:00.000Z",
                "value": "CVE-2026-11645 added to CISA KEV"
              }
            ],
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "Chrome",
              "vendor": "Google",
              "versions": [
                {
                  "lessThan": "149.0.7827.103",
                  "status": "affected",
                  "version": "149.0.7827.103",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Out of bounds memory access",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-08T23:27:31.298Z",
            "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
            "shortName": "Chrome"
          },
          "references": [
            {
              "url": "https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html"
            },
            {
              "url": "https://issues.chromium.org/issues/506689381"
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "assignerShortName": "Chrome",
        "cveId": "CVE-2026-11645",
        "datePublished": "2026-06-08T23:27:31.298Z",
        "dateReserved": "2026-06-08T21:33:37.905Z",
        "dateUpdated": "2026-06-10T03:58:04.682Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…