CVE-2026-45600: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 11 Version 24H2
Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-843 (Type Confusion), exists in Windows Kernel-Mode Drivers on Windows 11 Version 24H2 (build 10.0.26100.0). It allows a local attacker with some level of authorization to exploit improper handling of resource types to elevate their privileges. The CVSS 3.1 base score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation enables an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the affected system.
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-2026-45600 to remediate this vulnerability.
CVE-2026-45600: CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') in Microsoft Windows 11 Version 24H2
Description
Access of resource using incompatible type ('type confusion') in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-843 (Type Confusion), exists in Windows Kernel-Mode Drivers on Windows 11 Version 24H2 (build 10.0.26100.0). It allows a local attacker with some level of authorization to exploit improper handling of resource types to elevate their privileges. The CVSS 3.1 base score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation enables an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the affected system.
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-2026-45600 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T19:55:45.730Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45600","vendor":"Microsoft"}]
Threat ID: 6a284ce48dd33fbd85664e5b
Added to database: 6/9/2026, 5:27:00 PM
Last enriched: 6/9/2026, 6:56:18 PM
Last updated: 6/10/2026, 5:03:18 AM
Views: 2
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