Search criteria Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.

2 vulnerabilities found for PowerShell 7.6 by Microsoft

CVE-2026-26171 (GCVE-0-2026-26171)

Vulnerability from nvd – Published: 2026-04-14 16:58 – Updated: 2026-04-23 21:37
VLAI?
Title
.NET Denial of Service Vulnerability
Summary
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.6 (custom)
Create a notification for this product.
    Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.26 (custom)
Create a notification for this product.
    Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.15 (custom)
Create a notification for this product.
    Microsoft PowerShell 7.5 Affected: 7.5.0 , < 7.5.6 (custom)
Create a notification for this product.
    Microsoft PowerShell 7.6 Affected: 7.6.0 , < 7.6.1 (custom)
Create a notification for this product.
Date Public ?
2026-04-14 14:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-26171",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-14T18:53:29.483401Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-14T18:53:37.106Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": ".NET 10.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.6",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 8.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "8.0.26",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 9.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "9.0.15",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "PowerShell 7.5",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.5.6",
              "status": "affected",
              "version": "7.5.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "PowerShell 7.6",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.6.1",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*",
                  "versionEndExcluding": "7.5.6",
                  "versionStartIncluding": "7.5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.6",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "8.0.26",
                  "versionStartIncluding": "8.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "9.0.15",
                  "versionStartIncluding": "9.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*",
                  "versionEndExcluding": "7.6.1",
                  "versionStartIncluding": "7.6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-04-14T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/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-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en-US",
              "type": "CWE"
            },
            {
              "cweId": "CWE-611",
              "description": "CWE-611: Improper Restriction of XML External Entity Reference",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-23T21:37:28.884Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": ".NET Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171"
        }
      ],
      "title": ".NET Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-26171",
    "datePublished": "2026-04-14T16:58:37.655Z",
    "dateReserved": "2026-02-11T18:33:57.776Z",
    "dateUpdated": "2026-04-23T21:37:28.884Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-26171 (GCVE-0-2026-26171)

Vulnerability from cvelistv5 – Published: 2026-04-14 16:58 – Updated: 2026-04-23 21:37
VLAI?
Title
.NET Denial of Service Vulnerability
Summary
Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
Impacted products
Vendor Product Version
Microsoft .NET 10.0 Affected: 10.0.0 , < 10.0.6 (custom)
Create a notification for this product.
    Microsoft .NET 8.0 Affected: 8.0.0 , < 8.0.26 (custom)
Create a notification for this product.
    Microsoft .NET 9.0 Affected: 9.0.0 , < 9.0.15 (custom)
Create a notification for this product.
    Microsoft PowerShell 7.5 Affected: 7.5.0 , < 7.5.6 (custom)
Create a notification for this product.
    Microsoft PowerShell 7.6 Affected: 7.6.0 , < 7.6.1 (custom)
Create a notification for this product.
Date Public ?
2026-04-14 14:00
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-26171",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-14T18:53:29.483401Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-14T18:53:37.106Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": ".NET 10.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.6",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 8.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "8.0.26",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": ".NET 9.0",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "9.0.15",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "PowerShell 7.5",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.5.6",
              "status": "affected",
              "version": "7.5.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "PowerShell 7.6",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "7.6.1",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*",
                  "versionEndExcluding": "7.5.6",
                  "versionStartIncluding": "7.5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.6",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "8.0.26",
                  "versionStartIncluding": "8.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "9.0.15",
                  "versionStartIncluding": "9.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:microsoft:powershell:*:-:*:*:*:*:*:*",
                  "versionEndExcluding": "7.6.1",
                  "versionStartIncluding": "7.6.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-04-14T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/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-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
              "lang": "en-US",
              "type": "CWE"
            },
            {
              "cweId": "CWE-611",
              "description": "CWE-611: Improper Restriction of XML External Entity Reference",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-23T21:37:28.884Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": ".NET Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26171"
        }
      ],
      "title": ".NET Denial of Service Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2026-26171",
    "datePublished": "2026-04-14T16:58:37.655Z",
    "dateReserved": "2026-02-11T18:33:57.776Z",
    "dateUpdated": "2026-04-23T21:37:28.884Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}