CVE-2026-81955
Windows Graphics Component Remote Code Execution Vulnerability
CVE-2026-81955 is fixed in 32 products on 1 platform, first by KB5122876, released September 8, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
8.8
Critical
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0084
58th percentile
<p>Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft Office 2016 (32-bit edition) | KB5002916 | Sep 8, 2026 | |
| Microsoft Office 2016 (64-bit edition) | KB5002916 | Sep 8, 2026 | |
| Windows 10 Version 1607 for 32-bit Systems | KB5122874 | Sep 8, 2026 | |
| Windows 10 Version 1607 for x64-based Systems | KB5122874 | Sep 8, 2026 | |
| Windows 10 Version 1809 for 32-bit Systems | 17763.9245 | KB5122876 | Sep 8, 2026 |
| Windows 10 Version 1809 for x64-based Systems | 17763.9245 | KB5122876 | Sep 8, 2026 |
| Windows 10 Version 21H2 for 32-bit Systems | KB5122878 | Sep 8, 2026 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5122878 | Sep 8, 2026 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5122878 | Sep 8, 2026 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5122878 | Sep 8, 2026 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5122878 | Sep 8, 2026 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5122878 | Sep 8, 2026 | |
| Windows 11 Version 23H2 for ARM64-based Systems | 22631.7582 | KB5122880 | Sep 8, 2026 |
| Windows 11 Version 23H2 for x64-based Systems | 22631.7582 | KB5122880 | Sep 8, 2026 |
| Windows 11 Version 24H2 for ARM64-based Systems | KB5124008 | Sep 8, 2026 | |
| Windows 11 Version 24H2 for x64-based Systems | KB5124008 | Sep 8, 2026 | |
| Windows 11 Version 25H2 for ARM64-based Systems | KB5124008 | Sep 8, 2026 | |
| Windows 11 Version 25H2 for x64-based Systems | KB5124008 | Sep 8, 2026 | |
| Windows 11 Version 26H1 for ARM64-based Systems | 28000.2954 | KB5124012 | Sep 8, 2026 |
| Windows 11 version 26H1 for x64-based Systems | 28000.2954 | KB5124012 | Sep 8, 2026 |
| Windows Server 2012 | KB5123065 | Sep 8, 2026 | |
| Windows Server 2012 (Server Core installation) | KB5123065 | Sep 8, 2026 | |
| Windows Server 2012 R2 | KB5123066 | Sep 8, 2026 | |
| Windows Server 2012 R2 (Server Core installation) | KB5123066 | Sep 8, 2026 | |
| Windows Server 2016 | KB5122874 | Sep 8, 2026 | |
| Windows Server 2016 (Server Core installation) | KB5122874 | Sep 8, 2026 | |
| Windows Server 2019 | 17763.9245 | KB5122876 | Sep 8, 2026 |
| Windows Server 2019 (Server Core installation) | 17763.9245 | KB5122876 | Sep 8, 2026 |
| Windows Server 2022 | 20348.5622 | KB5122882 | Sep 8, 2026 |
| Windows Server 2022 (Server Core installation) | 20348.5622 | KB5122882 | Sep 8, 2026 |
| Windows Server 2025 | 26100.33438 | KB5122871 | Sep 8, 2026 |
| Windows Server 2025 (Server Core installation) | 26100.33438 | KB5122871 | Sep 8, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.