CVE-2026-62772

Summary

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

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2704affected

Weaknesses

  • CWE-122: CWE-122: Heap-based Buffer Overflow

References