Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 14, 2026 · NIST NVD

   Detected

   Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

2. Jun 17, 2026 · NIST NVD

   Updated

   Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

Affected

• cpe microsoft/windows server 2012version unspecified
• cpe microsoft/windows server 2012r2
• cpe microsoft/windows server 2016version unspecified
• cpe microsoft/windows server 2019version unspecified
• cpe microsoft/windows server 2022version unspecified
• cpe microsoft/windows server 2022 23h2version unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-27913

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-27913

  Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.

  nvd.nist.gov

References

• Vendor Advisory · msrc.microsoft.com