#VU25182 Use-after-free in Windows and Windows Server - CVE-2020-0731

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Main Vulnerability Database Vulnerabilities #VU25182

#VU25182 Use-after-free in Windows and Windows Server - CVE-2020-0731

Published: February 11, 2020 / Updated: May 5, 2020


Vulnerability identifier: #VU25182
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-0731
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: Public exploit is 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 boundary error when processing objects in memory in win32kbase HMMarkObjectDestroy within the Win32k component. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.


Remediation

Install update from vendor's website.

External links