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CVE-2026-54107Windows Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
8.8 HIGHEPSS 0.21%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.8 | HIGH | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 8.8 | HIGH | 3.1microsoft (CNA) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
| 7.0 | HIGH | 3.1NVD | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-54107
- Status
- Analyzed
- Assigner (CNA)
- microsoft
- Published
- Jul 14, 2026
- Last modified
- 2026-11-01 17:32 UTC
- Weaknesses
- CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products
As published by the CNA in the CVE record.
MicrosoftWindows 10 Version 16071 version range
- 10.0.14393.0 before 10.0.14393.9339
MicrosoftWindows 10 Version 18091 version range
- 10.0.17763.0 before 10.0.17763.9020
MicrosoftWindows 10 Version 21H21 version range
- 10.0.19044.0 before 10.0.19044.7548
MicrosoftWindows 10 Version 22H21 version range
- 10.0.19045.0 before 10.0.19045.7548
MicrosoftWindows 11 Version 24H21 version range
- 10.0.26100.0 before 10.0.26100.8875
MicrosoftWindows 11 Version 25H21 version range
- 10.0.26200.0 before 10.0.26200.8875
MicrosoftWindows 11 version 26H11 version range
- 10.0.28000.0 before 10.0.28000.2525
MicrosoftWindows Server 20121 version range
- 6.2.9200.0 before 6.2.9200.26226
MicrosoftWindows Server 2012 (Server Core installation)1 version range
- 6.2.9200.0 before 6.2.9200.26226
MicrosoftWindows Server 2012 R21 version range
- 6.3.9600.0 before 6.3.9600.23291
MicrosoftWindows Server 2012 R2 (Server Core installation)1 version range
- 6.3.9600.0 before 6.3.9600.23291
MicrosoftWindows Server 20161 version range
- 10.0.14393.0 before 10.0.14393.9339
MicrosoftWindows Server 2016 (Server Core installation)1 version range
- 10.0.14393.0 before 10.0.14393.9339
MicrosoftWindows Server 20191 version range
- 10.0.17763.0 before 10.0.17763.9020
MicrosoftWindows Server 2019 (Server Core installation)1 version range
- 10.0.17763.0 before 10.0.17763.9020
MicrosoftWindows Server 20221 version range
- 10.0.20348.0 before 10.0.20348.5386
MicrosoftWindows Server 20251 version range
- 10.0.26100.0 before 10.0.26100.33158
MicrosoftWindows Server 2025 (Server Core installation)1 version range
- 10.0.26100.0 before 10.0.26100.33158