May 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-40369 Published on May 12, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Weakness Type
Untrusted Pointer Dereference
The program obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.
Products Associated with CVE-2026-40369
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Affected Versions
Microsoft Windows 11 Version 24H2:- Version 10.0.26100.0 and below 10.0.26100.8457 is affected.
- Version 10.0.26200.0 and below 10.0.26200.8457 is affected.
- Version 10.0.28000.0 and below 10.0.28000.2113 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32860 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32860 is affected.