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EUVD-2026-29683

🗓️ 12 May 2026 18:30:46Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

Use-after-free in data deduplication enables local privilege elevation for an authorized attacker.

Related
Affected
Refs
[
  {
    "enisaIdVendor": [
      {
        "id": "26904d71-1746-3abb-8c6e-e729bf3c3c38",
        "vendor": {
          "name": "Microsoft"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0b4f4f2e-26de-3111-8579-4bfc55c659eb",
        "product": {
          "name": "Windows Server 2022, 23H2 Edition (Server Core installation)"
        },
        "product_version": "10.0.25398.0 <10.0.25398.2330"
      },
      {
        "id": "4f7ddf60-d208-3a02-aba6-1b48d24be165",
        "product": {
          "name": "Windows Server 2025 (Server Core installation)"
        },
        "product_version": "10.0.26100.0 <10.0.26100.32860"
      },
      {
        "id": "52fb3d00-c4b2-3904-9497-223159efdf8e",
        "product": {
          "name": "Windows Server 2016"
        },
        "product_version": "10.0.14393.0 <10.0.14393.9140"
      },
      {
        "id": "76ad0ea6-9656-3e8b-96f2-b9174cc67f3f",
        "product": {
          "name": "Windows Server 2016 (Server Core installation)"
        },
        "product_version": "10.0.14393.0 <10.0.14393.9140"
      },
      {
        "id": "7812c9b9-828a-30cf-8cd1-663e9e93145c",
        "product": {
          "name": "Windows Server 2012 R2"
        },
        "product_version": "6.3.9600.0 <6.3.9600.23181"
      },
      {
        "id": "871a9fc4-2f98-318a-b1a9-ec5fb8c89fd1",
        "product": {
          "name": "Windows Server 2019"
        },
        "product_version": "10.0.17763.0 <10.0.17763.8755"
      },
      {
        "id": "a427db61-d10e-3044-918f-bee2a0b8d4e2",
        "product": {
          "name": "Windows Server 2012 R2 (Server Core installation)"
        },
        "product_version": "6.3.9600.0 <6.3.9600.23181"
      },
      {
        "id": "b9908bb6-45cb-3a4d-8bb6-7cd79dcb8846",
        "product": {
          "name": "Windows Server 2019 (Server Core installation)"
        },
        "product_version": "10.0.17763.0 <10.0.17763.8755"
      },
      {
        "id": "c7c4c3bb-5ff7-3cd6-8601-61e0c6d50304",
        "product": {
          "name": "Windows Server 2022"
        },
        "product_version": "10.0.20348.0 <10.0.20348.5139"
      },
      {
        "id": "e3721cca-76ed-36fe-8a68-5cd89e30830c",
        "product": {
          "name": "Windows Server 2025"
        },
        "product_version": "10.0.26100.0 <10.0.26100.32860"
      }
    ]
  }
]

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12 May 2026 18:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00049
SSVC
4