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CVE-2026-66804

🗓️ 11 Aug 2026 17:05:36Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views

Windows Cross Device Service has an elevation of privilege vulnerability.

Related
Detection
Affected
Refs
Vulners
CNA
Node
OR
microsoftwindows_11_22h2Range10.0.19045.010.0.19045.7663x32
microsoftwindows_11_22h2Range10.0.19045.010.0.19045.7663arm64
microsoftwindows_11_22h2Range10.0.19045.010.0.19045.7663x64
Node
OR
microsoftwindows_11_24h2Range10.0.26100.010.0.26100.9168arm64
microsoftwindows_11_24h2Range10.0.26100.010.0.26100.9168x64
Node
OR
microsoftwindows_11_25h2Range10.0.26200.010.0.26200.9168arm64
microsoftwindows_11_25h2Range10.0.26200.010.0.26200.9168x64
Node
OR
microsoftwindows_11_22h2Range10.0.28000.010.0.28000.2704arm64
microsoftwindows_11_22h2Range10.0.28000.010.0.28000.2704x64
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 22H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19045.0",
        "lessThan": "10.0.19045.7663",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 24H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.9168",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 25H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26200.0",
        "lessThan": "10.0.26200.9168",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 26H1",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.28000.0",
        "lessThan": "10.0.28000.2704",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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11 Aug 2026 23:59Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.17.8
15