CVE-2026-50661: 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-2026-50661) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves a protection mechanism failure in the BitLocker encryption feature. The flaw allows an attacker with physical access to bypass BitLocker's security protections. The CVSS 3.1 base score is 6.1, reflecting a medium severity with high confidentiality and integrity impact but no availability impact. 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 protection mechanisms, potentially leading to unauthorized access to encrypted data. The vulnerability impacts confidentiality and integrity but does not affect availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50661 to remediate this vulnerability.
CVE-2026-50661: 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 6.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50661) affects Windows 10 Version 1607 (build 10.0.14393.0) and involves a protection mechanism failure in the BitLocker encryption feature. The flaw allows an attacker with physical access to bypass BitLocker's security protections. The CVSS 3.1 base score is 6.1, reflecting a medium severity with high confidentiality and integrity impact but no availability impact. 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 protection mechanisms, potentially leading to unauthorized access to encrypted data. The vulnerability impacts confidentiality and integrity but does not affect availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50661 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:33:50.831Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50661","vendor":"Microsoft"}]
Threat ID: 6a5676a968715ace43f096e0
Added to database: 07/14/2026, 17:49:29 UTC
Last enriched: 08/13/2026, 15:12:23 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 62
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