CVE-2026-45658: CWE-284: Improper Access Control 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-2026-45658) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-284 (Improper Access Control). It involves a failure in the BitLocker protection mechanism that enables an attacker with physical access to bypass security controls. The CVSS 3.1 vector indicates the attack requires local access with low complexity and low privileges, no user interaction, and impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a system running the affected Windows 10 Version 1607 can bypass BitLocker security protections, potentially leading to unauthorized disclosure, modification, or disruption of data protected by BitLocker. The impact affects confidentiality, integrity, and availability of the system.
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-2026-45658 to remediate this vulnerability.
CVE-2026-45658: CWE-284: Improper Access Control 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 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45658) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-284 (Improper Access Control). It involves a failure in the BitLocker protection mechanism that enables an attacker with physical access to bypass security controls. The CVSS 3.1 vector indicates the attack requires local access with low complexity and low privileges, no user interaction, and impacts confidentiality, integrity, and availability with high severity. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a system running the affected Windows 10 Version 1607 can bypass BitLocker security protections, potentially leading to unauthorized disclosure, modification, or disruption of data protected by BitLocker. The impact affects confidentiality, integrity, and availability of the system.
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-2026-45658 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.158Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45658","vendor":"Microsoft"}]
Threat ID: 6a284cec8dd33fbd85664fa5
Added to database: 6/9/2026, 5:27:08 PM
Last enriched: 6/9/2026, 6:25:42 PM
Last updated: 6/10/2026, 6:40:40 AM
Views: 5
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