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, tracked as CVE-2026-45655 and categorized under CWE-693 (Protection Mechanism Failure), affects Windows 10 Version 1607 (build 10.0.14393.0). It involves a failure in the BitLocker protection mechanism that could allow an attacker with physical access to bypass security controls. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), has low attack complexity (AC:L), no privileges or user interaction required (PR:N/UI:N), and impacts confidentiality with a scope change (S:C) but does not affect integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker with physical access to bypass BitLocker security protections, potentially exposing confidential data on affected systems. The impact is limited to confidentiality loss without affecting integrity or 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45655 to remediate this vulnerability.
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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-45655 and categorized under CWE-693 (Protection Mechanism Failure), affects Windows 10 Version 1607 (build 10.0.14393.0). It involves a failure in the BitLocker protection mechanism that could allow an attacker with physical access to bypass security controls. The CVSS 3.1 vector indicates the attack requires physical access (AV:P), has low attack complexity (AC:L), no privileges or user interaction required (PR:N/UI:N), and impacts confidentiality with a scope change (S:C) but does not affect integrity or availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker with physical access to bypass BitLocker security protections, potentially exposing confidential data on affected systems. The impact is limited to confidentiality loss without affecting integrity or 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 in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45655 to remediate this vulnerability.
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: 6/9/2026, 5:27:05 PM
Last enriched: 6/9/2026, 9:58:52 PM
Last updated: 6/10/2026, 6:31:49 AM
Views: 4
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