#VU122575 Use-after-free in Windows and Windows Server - CVE-2026-21235

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Main Vulnerability Database Vulnerabilities #VU122575

#VU122575 Use-after-free in Windows and Windows Server - CVE-2026-21235

Published: February 10, 2026 / Updated: February 19, 2026


Vulnerability identifier: #VU122575
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-21235
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in Windows Graphics Component in win32kfull driver. A local user can execute arbitrary code with SYSTEM privileges. 


Remediation

Install updates from vendor's website.

External links