Use-after-free in Windows and Windows Server - CVE-2023-29336
Published: May 9, 2023 / Updated: May 23, 2024
Vulnerability identifier: #VU75900
CSH Severity: High
CVSS v4.0: 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
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability 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.
How to mitigate CVE-2023-29336
Install updates from vendor's website.