Windows AppX Deployment Service Elevation of Privilege Vulnerability
CVE-2026-116714 is fixed in 10 products on 1 platform, first by KB5131087, released November 10, 2026. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>Incorrect authorization in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 21H2 for 32-bit Systems | KB5131096 | Nov 10, 2026 | |
| Windows 10 Version 21H2 for ARM64-based Systems | KB5131096 | Nov 10, 2026 | |
| Windows 10 Version 21H2 for x64-based Systems | KB5131096 | Nov 10, 2026 | |
| Windows 10 Version 22H2 for 32-bit Systems | KB5131096 | Nov 10, 2026 | |
| Windows 10 Version 22H2 for ARM64-based Systems | KB5131096 | Nov 10, 2026 | |
| Windows 10 Version 22H2 for x64-based Systems | KB5131096 | Nov 10, 2026 | |
| Windows 11 Version 23H2 for ARM64-based Systems | 22631.7711 | KB5131087 | Nov 10, 2026 |
| Windows 11 Version 23H2 for x64-based Systems | 22631.7711 | KB5131087 | Nov 10, 2026 |
| Windows Server 2022 | 20348.5870 | KB5131090 | Nov 10, 2026 |
| Windows Server 2022 (Server Core installation) | 20348.5870 | KB5131090 | Nov 10, 2026 |
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