CVE-2026-58541: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 10 Version 1607
Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-843 (Access of Resource Using Incompatible Type, or 'type confusion'), affects Windows 10 Version 1607 (build 10.0.14393.0). It occurs within the Windows Desktop Window Manager (DWM) component, enabling an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates low attack complexity and no user interaction required, with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this type confusion vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, including unauthorized access to sensitive information, modification of system data, and disruption of system availability.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-58541. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-58541: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 10 Version 1607
Description
Access of resource using incompatible type ('type confusion') in Windows DWM allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-843 (Access of Resource Using Incompatible Type, or 'type confusion'), affects Windows 10 Version 1607 (build 10.0.14393.0). It occurs within the Windows Desktop Window Manager (DWM) component, enabling an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates low attack complexity and no user interaction required, with high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An authorized local attacker can exploit this type confusion vulnerability to elevate their privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, including unauthorized access to sensitive information, modification of system data, and disruption of system availability.
Mitigation Recommendations
Microsoft has released an official fix for CVE-2026-58541. Users and administrators should apply the security update provided by Microsoft as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
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-2026-58541","vendor":"Microsoft"}]
Threat ID: 6a5676c268715ace43f0b18d
Added to database: 07/14/2026, 17:49:54 UTC
Last enriched: 07/14/2026, 18:06:06 UTC
Last updated: 07/15/2026, 01:24:09 UTC
Views: 6
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