Reference count error in Microsoft Windows and Windows Server - CVE-2010-2549
Published: January 31, 2017 / Updated: September 14, 2018
Vulnerability identifier: #VU5543
CSH Severity: Low
CVSS v4: 8.5 [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]
CVE-ID: CVE-2010-2549
CWE-ID: CWE-911
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code with elevated privileges.
The vulnerability exists due to an error in Win32k.sys driver when updating reference count for an object. A local user can execute arbitrary code on the target system with SYSTEM privileges.
Successful exploitation of this vulnerability may allow an attacker to escalate privileges on vulnerable system.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2010-2549
Install updates from vendor's website.