CVE-2026-55001
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Summary
Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 < 10.0.14393.9339 | affected |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 < 10.0.17763.9020 | affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.9339 | affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.9339 | affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.9020 | affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.9020 | affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.5386 | affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.33158 | affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.33158 | affected |
Weaknesses
- CWE-295: CWE-295: Improper Certificate Validation
References
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.