CVE-2026-45655: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45655) affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0) and involves a protection mechanism failure in the BitLocker encryption feature. The flaw permits an attacker with physical access to bypass BitLocker's security protections. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), has low attack complexity (AC:L), no privileges or user interaction needed, and impacts confidentiality with a scope change. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An attacker with physical access to a device running the affected Windows 10 Version 1607 can bypass BitLocker's protection mechanism, potentially exposing confidential data. The integrity and availability of the system are not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45655 to remediate this issue.
CVE-2026-45655: CWE-693: Protection Mechanism Failure in Microsoft Windows 10 Version 1607
Description
Protection mechanism failure in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45655) affects Microsoft Windows 10 Version 1607 (build 10.0.14393.0) and involves a protection mechanism failure in the BitLocker encryption feature. The flaw permits an attacker with physical access to bypass BitLocker's security protections. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), has low attack complexity (AC:L), no privileges or user interaction needed, and impacts confidentiality with a scope change. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An attacker with physical access to a device running the affected Windows 10 Version 1607 can bypass BitLocker's protection mechanism, potentially exposing confidential data. The integrity and availability of the system are not impacted. There are no known exploits in the wild at this time.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as detailed in their advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45655 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.157Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45655","vendor":"Microsoft"}]
Threat ID: 6a284ce98dd33fbd85664f01
Added to database: 06/09/2026, 17:27:05 UTC
Last enriched: 07/29/2026, 22:03:15 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 58
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