Windows Kernel Double Free Vulnerability Allows Local Privilege Escalation

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7.8

Windows Kernel Double Free Vulnerability Allows Local Privilege Escalation

CVE-2026-26163

Summary

An issue in Windows Kernel software may allow an authorized user to gain more access to a system than they should have. This could potentially allow a malicious user to take control of a system. Updates should be applied as soon as possible to prevent exploitation.

Original title

Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Original description

Double free in Windows Kernel allows an authorized attacker to elevate privileges locally.

nvd CVSS3.1 7.8

Vulnerability type

CWE-415

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26163

Published: 14 Apr 2026 · Updated: 14 Apr 2026 · First seen: 14 Apr 2026