CVE-2026-108457

Microsoft · Published October 13, 2026

8.1

CVSS v3.1

HIGH

Patch availableGet patch

Description

Microsoft Windows PDF Remote Code Execution Vulnerability. Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.

Affected Products

Windows 11 Version 23H2 for x64-based Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows Server 2022 (Server Core installation)

CVSS Vector

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