CVE-2026-27913: Windows BitLocker Security Feature Bypass Vulnerability
Published Apr 14, 2026
·Updated
Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.
Other sources
Windows BitLocker Security Feature Bypass Vulnerability
— Microsoft
Affected Software
28 affected componentsFixes available
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2016
Microsoft Windows Server 2012
Microsoft Windows Server 2022
Microsoft Windows Server 2019
Microsoft Windows Server 2016
Microsoft Windows Server 2022
Microsoft Windows Server 2022, 23H2 Edition
Microsoft Windows Server 2019
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016<10.0.14393.9060
Microsoft Windows Server 2019<10.0.17763.8644
Microsoft Windows Server 2022<10.0.20348.5020
Microsoft Windows Server 2022 23h2<10.0.25398.2274
Microsoft Windows Server 2012 R2<6.3.9600.23132
6.3.9600.23132
Microsoft Windows Server 2012 R2<6.3.9600.23132
6.3.9600.23132
Microsoft Windows Server 2022<10.0.20348.5020
10.0.20348.5020
Microsoft Windows Server 2012<6.2.9200.26026
6.2.9200.26026
Microsoft Windows Server 2012<6.2.9200.26026
6.2.9200.26026
Microsoft Windows Server 2016<10.0.14393.9060
10.0.14393.9060
Microsoft Windows Server 2019<10.0.17763.8644
10.0.17763.8644
Microsoft Windows Server 2019<10.0.17763.8644
10.0.17763.8644
Microsoft Windows Server 2022<10.0.20348.5020
10.0.20348.5020
Microsoft Windows Server 2016<10.0.14393.9060
10.0.14393.9060
Microsoft Windows Server 2022, 23H2 Edition<10.0.25398.2274
10.0.25398.2274
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23132Patch KB5082126 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26026Patch KB5082127 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5020Patch KB5082142 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.8644Patch KB5082123 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9060Patch KB5082198 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.25398.2274Patch KB5082060
Event History
Apr 14, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·04:58 PM
Data Sourced
via MITRE·04:58 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software