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CVE-2026-62772

HIGH CVSS: 7.8 Published: 2026-08-11 Modified: 2026-08-13

Description

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

Affected Platforms

Microsoft Windows 11 26H1

Weakness Type

CWE-122

References