Integer underflow in Microsoft Windows and Windows Server - CVE-2023-21802
Published: February 15, 2023 / Updated: February 25, 2023
Vulnerability identifier: #VU72228
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21802
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer underflow when processing color conversion in Windows Media. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2023-21802
Install updates from vendor's website.