Description
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 – < 10.0.14393.9512 | 10.0.14393.9512 |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows 10 Version 21H2 | 10.0.19044.0 – < 10.0.19044.7725 | 10.0.19044.7725 |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 – < 10.0.19045.7725 | 10.0.19045.7725 |
| Microsoft | Windows Server 2012 | 6.2.9200.0 – < 6.2.9200.26349 | 6.2.9200.26349 |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 – < 6.2.9200.26349 | 6.2.9200.26349 |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 – < 6.3.9600.23398 | 6.3.9600.23398 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 – < 6.3.9600.23398 | 6.3.9600.23398 |
| Microsoft | Windows Server 2016 | 10.0.14393.0 – < 10.0.14393.9512 | 10.0.14393.9512 |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 – < 10.0.14393.9512 | 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.9245 | 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5622 | 10.0.20348.5622 |
Advisories 3
- NCSC-2026-0353 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Nov 10, 2026
- WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
- MSRC-CVE-2026-85880 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability Microsoft Security Response Center · Sep 16, 2026
References
- Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability vendor-advisory patch