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 involves a protection mechanism failure in the BitLocker feature of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables 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 published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a device running the affected Windows 10 Version 1607 can bypass BitLocker protection, 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. Users and administrators should apply the provided update from the Microsoft Security Response Center advisory to remediate this issue. No additional mitigation steps are indicated by the vendor.
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
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a protection mechanism failure in the BitLocker feature of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables 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 published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a device running the affected Windows 10 Version 1607 can bypass BitLocker protection, 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. Users and administrators should apply the provided update from the Microsoft Security Response Center advisory to remediate this issue. No additional mitigation steps are indicated by the vendor.
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: 08/14/2026, 13:45:34 UTC
Last updated: 09/10/2026, 20:47:35 UTC
Views: 75
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