CVE-2026-58545: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1607
Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58545) involves improper access control in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with some level of authorization to bypass a security feature. The CVSS 3.1 vector indicates low attack complexity and privileges required, no user interaction, and high confidentiality impact without integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can bypass a security feature, potentially leading to unauthorized access to sensitive information (confidentiality impact). There is no impact on integrity or availability. The vulnerability does not require user interaction and has low attack complexity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545.
CVE-2026-58545: CWE-284: Improper Access Control in Microsoft Windows 10 Version 1607
Description
Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58545) involves improper access control in the Windows Kernel of Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with some level of authorization to bypass a security feature. The CVSS 3.1 vector indicates low attack complexity and privileges required, no user interaction, and high confidentiality impact without integrity or availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can bypass a security feature, potentially leading to unauthorized access to sensitive information (confidentiality impact). There is no impact on integrity or availability. The vulnerability does not require user interaction and has low attack complexity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-01T04:33:41.870Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58545","vendor":"Microsoft"}]
Threat ID: 6a5676c268715ace43f0b1a1
Added to database: 07/14/2026, 17:49:54 UTC
Last enriched: 08/13/2026, 16:04:48 UTC
Last updated: 08/26/2026, 11:03:42 UTC
Views: 50
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