CVE-2026-108457CriticalCVSS 8.1

Microsoft Windows PDF Remote Code Execution Vulnerability

Published
October 13, 2026
Last Modified
—

🔗 CVE IDs covered (1)

📋 Description

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

🎯 Affected products12

  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Remediation

KB5126653 (Security Update) — fixed build 10.0.22631.7652 KB5126657 (Security Update) — fixed build 10.0.19044.7807 KB5126655 (Security Update) — fixed build 10.0.20348.5761 KB5126646 (Security Update) — fixed build 10.0.26100.33650

🔗 References (9)