Disclosure summary
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Source-reported weakness categories
CWE-122
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Feb
Open original source · Updated Feb 10, 2026
Windows Kernel Elevation of Privilege Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Windows Server 2025 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 25H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 25H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 24H2 for x64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2025 | (MSRC status code 3) |
| Microsoft update guide | Windows 11 Version 26H1 for ARM64-based Systems | (MSRC status code 3) |
| Microsoft update guide | Windows 11 version 26H1 for x64-based Systems | (MSRC status code 3) |
Vendor remediation references
- 5075899 · build 10.0.26100.32370 · product IDs 12437, 12436
- Vendor guidance · product IDs 12437, 12436
- 5075899 · product IDs 12437, 12436
- 5075942 · build 10.0.26100.32313 · product IDs 12437, 12436
- Vendor guidance · product IDs 12437, 12436
- 5075942 · product IDs 12437, 12436
- 5077181 · build 10.0.26200.7840 · product IDs 20437, 20438
- Vendor guidance · product IDs 20437, 20438
- 5077212 · build 10.0.26200.7781 · product IDs 20437, 20438
- Vendor guidance · product IDs 20437, 20438
- 5077181 · build 10.0.26100.7840 · product IDs 12389
- Vendor guidance · product IDs 12389
- 5077212 · build 10.0.26100.7781 · product IDs 12389, 12390
- Vendor guidance · product IDs 12389, 12390
- 5077181 · build 10.0.26100.7840 · product IDs 12390
- Vendor guidance · product IDs 12390
- 5077179 · build 10.0.28000.1575 · product IDs 20854, 20853
- Vendor guidance · product IDs 20854, 20853
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-02-10T03:00:00-05:00
MODIFIED 2026-02-10T03:00:00-05:00
INGESTED 2026-10-08T12:45:18-04:00