CVE-2025-55338
Windows BitLocker Security Feature Bypass Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
Missing Ability to Patch ROM Code in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium6.1 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C |
| NVDNVD · Modified | 3.1 | Medium4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Weakness
Affected products
Microsoft · Windows 10 Version 1507
- affected 10.0.10240.0 – < 10.0.10240.21161
Microsoft · Windows 10 Version 1607
- affected 10.0.14393.0 – < 10.0.14393.8519
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.7919
Microsoft · Windows 10 Version 21H2
- affected 10.0.19044.0 – < 10.0.19044.6456
Microsoft · Windows 10 Version 22H2
- affected 10.0.19045.0 – < 10.0.19045.6456
Microsoft · Windows 11 version 22H2
- affected 10.0.22621.0 – < 10.0.22621.6060
Microsoft · Windows 11 version 22H3
- affected 10.0.22631.0 – < 10.0.22631.6060
Microsoft · Windows 11 Version 23H2
- affected 10.0.22631.0 – < 10.0.22631.6060
Microsoft · Windows 11 Version 24H2
- affected 10.0.26100.0 – < 10.0.26100.6899
Microsoft · Windows 11 Version 25H2
- affected 10.0.26200.0 – < 10.0.26200.6899
Microsoft · Windows Server 2016
- affected 10.0.14393.0 – < 10.0.14393.8519
Microsoft · Windows Server 2016 (Server Core installation)
- affected 10.0.14393.0 – < 10.0.14393.8519
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.7919
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.7919
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.4294
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)
- affected 10.0.25398.0 – < 10.0.25398.1913
Microsoft · Windows Server 2025
- affected 10.0.26100.0 – < 10.0.26100.6899
Microsoft · Windows Server 2025 (Server Core installation)
- affected 10.0.26100.0 – < 10.0.26100.6899
References (1)
- Windows BitLocker Security Feature Bypass Vulnerability (opens in a new tab)vendor-advisorypatch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2025-55338)Record last updated .