#VU80682 Use-after-free in Windows and Windows Server - CVE-2023-38161
Published: September 12, 2023 / Updated: September 20, 2023
Vulnerability identifier: #VU80682
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-2023-38161
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
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 use-after-free error within the UMPDDrvRealizeBrush() method in win32kfull driver. A local user can trigger a use-after-free error and execute arbitrary code on the system with elevated privileges.
Remediation
Install updates from vendor's website.