Summary
Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What kind of security feature could be bypassed by successfully exploiting this vulnerability?
A successful attacker could bypass the BitLocker Device Encryption feature on the system storage device. An attacker with physical access to the target could exploit this vulnerability to gain access to encrypted data.
Security updates
10.0.26200.6899 — https://support.microsoft.com/help/5066835
10.0.22621.6060 — https://support.microsoft.com/help/5066793
10.0.25398.1913 — https://support.microsoft.com/help/5066780
Vulnerabilities 1
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Medium 6.1
Windows BitLocker Security Feature Bypass Vulnerability
Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Revision history
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#1
Information published.
References
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CVE-2025-55330 Windows BitLocker Security Feature Bypass Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55330
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss