#VU75900 Use-after-free in Windows and Windows Server - CVE-2023-29336
Published: May 9, 2023 / Updated: May 23, 2024
Vulnerability identifier: #VU75900
Vulnerability risk: High
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:A/U:Amber
CVE-ID: CVE-2023-29336
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a local user to escalate privileges on the system.
The
vulnerability exists due to a boundary error within the Win32k driver. A
local user can trigger a use-after-free error and execute arbitrary code
with SYSTEM privileges.
Remediation
Install updates from vendor's website.