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 involves a type confusion flaw (CWE-843) in Windows Kernel-Mode Drivers on Windows 11 Version 24H2 (build 10.0.26100.0). An authorized local attacker can exploit this flaw to elevate privileges by causing the system to access resources using incompatible types. The issue has been assigned CVE-2026-45600 and is rated high severity with a CVSS 3.1 base score of 7.8. Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially gaining higher system rights. This can lead to full system compromise depending on the privileges obtained. There are no known exploits in the wild at the time of this report.
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
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a type confusion flaw (CWE-843) in Windows Kernel-Mode Drivers on Windows 11 Version 24H2 (build 10.0.26100.0). An authorized local attacker can exploit this flaw to elevate privileges by causing the system to access resources using incompatible types. The issue has been assigned CVE-2026-45600 and is rated high severity with a CVSS 3.1 base score of 7.8. Microsoft has released an official fix to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges on the affected system, potentially gaining higher system rights. This can lead to full system compromise depending on the privileges obtained. There are no known exploits in the wild at the time of this report.
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: 06/09/2026, 17:27:00 UTC
Last enriched: 07/29/2026, 21:59:50 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 71
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