CVE-2025-26646 in Microsoft.Build.Tasks.Core - Patched by Root

{
  "id": "c0b752bf5a662e3b5c5553944ddcdacafeacd8d938ade88f801515a0e1d82269",
  "url": "https://osv.dev/vulnerability/ROOT-APP-NUGET-CVE-2025-26646",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-26646 in Microsoft.Build.Tasks.Core - Patched by Root",
    "summary": "Root has patched CVE-2025-26646 in the Microsoft.Build.Tasks.Core package for Root:NuGet. Multiple fixed versions available.",
    "evidence": "osv:ROOT-APP-NUGET-CVE-2025-26646",
    "products": [
      {
        "name": {
          "value": "Microsoft.Build.Tasks.Core",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "17.11.31.416104",
            "evidence": "/affected/0/ranges"
          },
          {
            "value": "17.11.31.416105",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "Rootio.Microsoft.Build.Tasks.Core",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "17.11.31.120071",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "17.11.31.416102",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "17.11.31.120073",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "17.11.31.120074",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "17.11.31.120075",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "ROOT-APP-NUGET-CVE-2025-26646",
      "aliases": [
        "ROOT-APP-NUGET-CVE-2025-26646"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "17.11.31.416104"
                },
                {
                  "fixed": "17.11.31.416105"
                }
              ]
            }
          ],
          "package": {
            "name": "Microsoft.Build.Tasks.Core",
            "ecosystem": "Root:NuGet"
          },
          "database_specific": {
            "source": "https://api.root.io/external/osv/ROOT-APP-NUGET-CVE-2025-26646.json",
            "root_patched": true,
            "upstream_version": "17.11.31",
            "all_fixed_versions": [
              "17.11.31.416104",
              "17.11.31.416105"
            ],
            "root_patch_version": "416105",
            "total_fixed_versions": 2
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "17.11.31.120071"
                },
                {
                  "fixed": "17.11.31.416102"
                },
                {
                  "fixed": "17.11.31.120073"
                },
                {
                  "fixed": "17.11.31.120074"
                },
                {
                  "fixed": "17.11.31.120075"
                }
              ]
            }
          ],
          "package": {
            "name": "Rootio.Microsoft.Build.Tasks.Core",
            "ecosystem": "Root:NuGet"
          },
          "database_specific": {
            "source": "https://api.root.io/external/osv/ROOT-APP-NUGET-CVE-2025-26646.json",
            "root_patched": true,
            "upstream_version": "17.11.31",
            "all_fixed_versions": [
              "17.11.31.120071",
              "17.11.31.416102",
              "17.11.31.120073",
              "17.11.31.120074",
              "17.11.31.120075"
            ],
            "root_patch_version": "120075",
            "total_fixed_versions": 5
          }
        }
      ],
      "modified": "2026-10-12T13:15:07.824180491Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-26646"
      ],
      "references": [],
      "provider_metadata": {
        "distro": "nuget",
        "source": "Root",
        "severity": "HIGH",
        "distro_version": ""
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-26646",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 299924,
  "published_at": "2026-10-12T12:28:36+00:00"
}