Use-after-free in Windows and Windows Server - CVE-2020-1135

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Main Vulnerability Database Vulnerabilities #VU27844

Use-after-free in Windows and Windows Server - CVE-2020-1135

Published: May 12, 2020 / Updated: May 13, 2020


Vulnerability identifier: #VU27844
CSH Severity: 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-2020-1135
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 within the handling of the DirectComposition SetReferenceArrayProperty function in Windows kernel. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with SYSTEM privileges.



Remediation

Install update from vendor's website.

External links