CVE-2026-81955CriticalCVSS 8.8

Windows Graphics Component Remote Code Execution Vulnerability

Published
September 11, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-81955 →

📋 Description

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

🎯 Affected products43

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office 2016 (32-bit edition)
  • Microsoft Office 2016 (64-bit edition)
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft Office 365 for Mac
  • Microsoft Office LTSC 2021 for 32-bit editions
  • Microsoft Office LTSC 2021 for 64-bit editions
  • Microsoft Office LTSC 2024 for 32-bit editions
  • Microsoft Office LTSC 2024 for 64-bit editions
  • Microsoft Office LTSC for Mac 2021
  • Microsoft Office LTSC for Mac 2024
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • 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 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows 11 Version 25H2 for ARM64-based Systems
  • Windows 11 Version 25H2 for x64-based Systems
  • Windows 11 Version 26H1 for ARM64-based Systems
  • +13 more not shown

✅ Remediation

KBRelease Notes (Security Update) — fixed build 16.0.10417.20207 KBRelease Notes (Security Update) — fixed build 16.0.20326.20138 KBRelease Notes (Security Update) — fixed build 16.0.14334.20906 KBRelease Notes (Security Update) — fixed build 16.0.17932.20976 KB5002916 (Security Update) — fixed build 16.0.5569.1003 KB5122876 (Security Update) — fixed build 10.0.17763.9245 KB5122882 (Security Update) — fixed build 10.0.20348.5622 KB5122878 (Security Update) — fixed build 10.0.19044.7725 KB5122878 (Security Update) — fixed build 10.0.19045.7725 KB5122871 (Security Update) — fixed build 10.0.26100.33438 KB5124008 (Security Update) — fixed build 10.0.26200.9445 KB5122880 (Security Update) — fixed build 10.0.22631.7582 KB5124008 (Security Update) — fixed build 10.0.26100.9445 KB5124012 (Security Update) — fixed build 10.0.28000.2954 KB5122874 (Servicing Stack Update) — fixed build 10.0.14393.9504 KB5123065 (Monthly Rollup) — fixed build 6.2.9200.26349 KB5123066 (Monthly Rollup) — fixed build 6.3.9600.23397

🔗 References (25)