Heap-based buffer overflow in Microsoft Windows - CVE-2026-113817
Published: November 11, 2026
Vulnerability identifier: #VU164943
CSH Severity: Low
CVSS v4: 7 [CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-113817
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a user with physical access to system to escalate privileges to SYSTEM.
The vulnerability exists due to a heap-based buffer overflow in Windows Devices Human Interface when the component is accessed through a physical attack. A user with physical access to system can trigger heap memory corruption to gain SYSTEM privileges.
Affected software
Microsoft Windows
How to mitigate CVE-2026-113817
Install security update from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7846, 10 22H2 10.0.19045.7846, 10 1607 10.0.14393.9688, 10 1809 10.0.17763.9487, 11 23H2 10.0.22631.7711, 11 24H2 10.0.26100.9911, 11 24H2 10.0.26100.9974, 11 25H2 10.0.26200.9911, 11 25H2 10.0.26200.9974, 11 26H1 10.0.28000.3501