CVE-2026-81353

Microsoft · Published September 8, 2026

7.8

CVSS v3.1

HIGH

Patch availableGet patch

Description

HEIF Image Extensions Remote Code Execution Vulnerability. Heap-based buffer overflow in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code locally.

Affected Products

HEIF Image Extension

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C