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CVE-2026-62772 Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability

🗓️ 11 Aug 2026 17:04:22Reported by microsoftType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Elevation of privilege in Windows Container Isolation FS Filter Driver (unionfs.sys) allows kernel-level access bypass.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-62772
11 Aug 202619:01
circl
cve
CVE
CVE-2026-62772
11 Aug 202617:04
cve
euvd
EUVD
EUVD-2026-56379
11 Aug 202617:04
euvd
mskb
Microsoft KB
August 11, 2026—KB5121000 (OS Build 28000.2704)
11 Aug 202614:00
mskb
mscve
Microsoft CVE
Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
11 Aug 202614:00
mscve
ncsc
NCSC
Vulnerabilities in Microsoft Windows
11 Aug 202619:47
ncsc
nvd
NVD
CVE-2026-62772
11 Aug 202617:18
nvd
[
  {
    "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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