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

Find a vulnerability

Search criteria

    2 vulnerabilities found for ASP.NET Core 11.0 by Microsoft

    CVE-2026-69304 (GCVE-0-2026-69304)

    Vulnerability from nvd – Published: 2026-09-08 17:17 – Updated: 2026-09-09 21:34
    VLAI
    Title
    ASP.NET Core Denial of Service Vulnerability
    Summary
    Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-08 19:33 UTC
    CWE
    • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
    References
    Date Public
    2026-09-08 14:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-69304",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-09-08T19:33:58.502592Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-09-08T19:34:17.319Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": ".NET 10.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "10.0.12",
                  "status": "affected",
                  "version": "10.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": ".NET 8.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "8.0.31",
                  "status": "affected",
                  "version": "8.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": ".NET 9.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "9.0.20",
                  "status": "affected",
                  "version": "9.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 10.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "10.0.12",
                  "status": "affected",
                  "version": "10.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 11.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "11.0 RC1",
                  "status": "affected",
                  "version": "11.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 8.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "8.0.31",
                  "status": "affected",
                  "version": "8.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 9.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "9.0.20",
                  "status": "affected",
                  "version": "9.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Microsoft Visual Studio 2022 version 17.14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "17.14.40",
                  "status": "affected",
                  "version": "17.14.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Microsoft Visual Studio 2026 version 18.9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "18.9.3",
                  "status": "affected",
                  "version": "18.9.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "11.0 RC1",
                      "versionStartIncluding": "11.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "10.0.12",
                      "versionStartIncluding": "10.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "9.0.20",
                      "versionStartIncluding": "9.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "8.0.31",
                      "versionStartIncluding": "8.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "18.9.3",
                      "versionStartIncluding": "18.9.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "17.14.40",
                      "versionStartIncluding": "17.14.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "9.0.20",
                      "versionStartIncluding": "9.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "10.0.12",
                      "versionStartIncluding": "10.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "8.0.31",
                      "versionStartIncluding": "8.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "datePublic": "2026-09-08T14:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-409",
                  "description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-09T21:34:49.963Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "name": "ASP.NET Core Denial of Service Vulnerability",
              "tags": [
                "vendor-advisory",
                "patch"
              ],
              "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"
            }
          ],
          "title": "ASP.NET Core Denial of Service Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2026-69304",
        "datePublished": "2026-09-08T17:17:47.686Z",
        "dateReserved": "2026-08-03T20:46:07.440Z",
        "dateUpdated": "2026-09-09T21:34:49.963Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }

    CVE-2026-69304 (GCVE-0-2026-69304)

    Vulnerability from cvelistv5 – Published: 2026-09-08 17:17 – Updated: 2026-09-09 21:34
    VLAI
    Title
    ASP.NET Core Denial of Service Vulnerability
    Summary
    Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-09-08 19:33 UTC
    CWE
    • CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)
    References
    Date Public
    2026-09-08 14:00
    Show details on NVD website

    {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-69304",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-09-08T19:33:58.502592Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-09-08T19:34:17.319Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": ".NET 10.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "10.0.12",
                  "status": "affected",
                  "version": "10.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": ".NET 8.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "8.0.31",
                  "status": "affected",
                  "version": "8.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": ".NET 9.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "9.0.20",
                  "status": "affected",
                  "version": "9.0.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 10.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "10.0.12",
                  "status": "affected",
                  "version": "10.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 11.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "11.0 RC1",
                  "status": "affected",
                  "version": "11.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 8.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "8.0.31",
                  "status": "affected",
                  "version": "8.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "ASP.NET Core 9.0",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "9.0.20",
                  "status": "affected",
                  "version": "9.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Microsoft Visual Studio 2022 version 17.14",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "17.14.40",
                  "status": "affected",
                  "version": "17.14.0",
                  "versionType": "custom"
                }
              ]
            },
            {
              "product": "Microsoft Visual Studio 2026 version 18.9",
              "vendor": "Microsoft",
              "versions": [
                {
                  "lessThan": "18.9.3",
                  "status": "affected",
                  "version": "18.9.0",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "11.0 RC1",
                      "versionStartIncluding": "11.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "10.0.12",
                      "versionStartIncluding": "10.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "9.0.20",
                      "versionStartIncluding": "9.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "8.0.31",
                      "versionStartIncluding": "8.0.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "18.9.3",
                      "versionStartIncluding": "18.9.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "17.14.40",
                      "versionStartIncluding": "17.14.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "9.0.20",
                      "versionStartIncluding": "9.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "10.0.12",
                      "versionStartIncluding": "10.0",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "8.0.31",
                      "versionStartIncluding": "8.0",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "datePublic": "2026-09-08T14:00:00.000Z",
          "descriptions": [
            {
              "lang": "en-US",
              "value": "Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en-US",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-409",
                  "description": "CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)",
                  "lang": "en-US",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-09-09T21:34:49.963Z",
            "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
            "shortName": "microsoft"
          },
          "references": [
            {
              "name": "ASP.NET Core Denial of Service Vulnerability",
              "tags": [
                "vendor-advisory",
                "patch"
              ],
              "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"
            }
          ],
          "title": "ASP.NET Core Denial of Service Vulnerability"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "assignerShortName": "microsoft",
        "cveId": "CVE-2026-69304",
        "datePublished": "2026-09-08T17:17:47.686Z",
        "dateReserved": "2026-08-03T20:46:07.440Z",
        "dateUpdated": "2026-09-09T21:34:49.963Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }