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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-62772

Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability

Description

Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows 11 version 26H1

  • 10.0.28000.0 to < 10.0.28000.2704affected

References