Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-85880US | high7.8OT critical | KEV | ||
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally. | ||||
references
External citations — patches, advisories, analysis.
- CVE-2026-85880 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability - CSAFself
- CVE-2026-85880 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability - HTMLself
- Microsoft Support Lifecycleexternal
- Common Vulnerability Scoring Systemexternal
- Microsoft Exploitability Indexexternal
remediations (20)
- FixedWindows 10 Version 1607 for 32-bit Systems
10.0.14393.9512:Security Update:https://support.microsoft.com/help/5123099
https://support.microsoft.com/help/5123099 - FixedWindows 10 Version 1607 for x64-based Systems
10.0.14393.9512:Security Update:https://support.microsoft.com/help/5123099
https://support.microsoft.com/help/5123099 - FixedWindows 10 Version 1809 for 32-bit Systems
10.0.17763.9245:Security Update:https://support.microsoft.com/help/5122876
https://support.microsoft.com/help/5122876 - FixedWindows 10 Version 1809 for x64-based Systems
10.0.17763.9245:Security Update:https://support.microsoft.com/help/5122876
https://support.microsoft.com/help/5122876 - FixedWindows 10 Version 21H2 for 32-bit Systems
10.0.19044.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows 10 Version 21H2 for ARM64-based Systems
10.0.19044.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows 10 Version 21H2 for x64-based Systems
10.0.19044.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows 10 Version 22H2 for 32-bit Systems
10.0.19045.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows 10 Version 22H2 for ARM64-based Systems
10.0.19045.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows 10 Version 22H2 for x64-based Systems
10.0.19045.7725:Security Update:https://support.microsoft.com/help/5122878
https://support.microsoft.com/help/5122878 - FixedWindows Server 2012
6.2.9200.26349:Monthly Rollup:https://support.microsoft.com/help/5123065
https://support.microsoft.com/help/5123065 - FixedWindows Server 2012 (Server Core installation)
6.2.9200.26349:Monthly Rollup:https://support.microsoft.com/help/5123065
https://support.microsoft.com/help/5123065 - FixedWindows Server 2012 R2
6.3.9600.23398:Monthly Rollup:https://support.microsoft.com/help/5123066
https://support.microsoft.com/help/5123066 - FixedWindows Server 2012 R2 (Server Core installation)
6.3.9600.23398:Monthly Rollup:https://support.microsoft.com/help/5123066
https://support.microsoft.com/help/5123066 - FixedWindows Server 2016
10.0.14393.9512:Security Update:https://support.microsoft.com/help/5123099
https://support.microsoft.com/help/5123099 - FixedWindows Server 2016 (Server Core installation)
10.0.14393.9512:Security Update:https://support.microsoft.com/help/5123099
https://support.microsoft.com/help/5123099 - FixedWindows Server 2019
10.0.17763.9245:Security Update:https://support.microsoft.com/help/5122876
https://support.microsoft.com/help/5122876 - FixedWindows Server 2019 (Server Core installation)
10.0.17763.9245:Security Update:https://support.microsoft.com/help/5122876
https://support.microsoft.com/help/5122876 - FixedWindows Server 2022
10.0.20348.5622:Security Update:https://support.microsoft.com/help/5122882
https://support.microsoft.com/help/5122882 - FixedWindows Server 2022 (Server Core installation)
10.0.20348.5622:Security Update:https://support.microsoft.com/help/5122882
https://support.microsoft.com/help/5122882
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