Disclosure summary
Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.
Source-reported weakness categories
CWE-20
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-Apr
Open original source · Updated Apr 14, 2026
Windows BitLocker Security Feature Bypass Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.7
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Windows Server 2019 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022, 23H2 Edition (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2016 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2016 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2019 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 R2 | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2012 R2 (Server Core installation) | (MSRC status code 3) |
| Microsoft update guide | Windows Server 2022 (Server Core installation) | (MSRC status code 3) |
Vendor remediation references
- 5082123 · build 10.0.17763.8644 · product IDs 11571, 11572
- Vendor guidance · product IDs 11571, 11572
- 5082123 · product IDs 11571, 11572
- 5082060 · build 10.0.25398.2274 · product IDs 12244
- Vendor guidance · product IDs 12244
- 5082060 · product IDs 12244
- 5082198 · build 10.0.14393.9060 · product IDs 10816, 10855
- Vendor guidance · product IDs 10816, 10855
- 5082198 · product IDs 10816, 10855
- 5082142 · build 10.0.20348.5020 · product IDs 11923, 11924
- Vendor guidance · product IDs 11923, 11924
- 5082142 · product IDs 11923, 11924
- 5082127 · build 6.2.9200.26026 · product IDs 10379, 10378
- Vendor guidance · product IDs 10379, 10378
- 5082126 · build 6.3.9600.23132 · product IDs 10483, 10543
- Vendor guidance · product IDs 10483, 10543
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-14T03:00:00-04:00
MODIFIED 2026-04-14T03:00:00-04:00
INGESTED 2026-10-08T12:45:04-04:00