#VU5543 Reference count error in Windows and Windows Server - CVE-2010-2549
Published: January 31, 2017 / Updated: September 14, 2018
Vulnerability identifier: #VU5543
Vulnerability risk: 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:P/U:Clear
CVE-ID: CVE-2010-2549
CWE-ID: CWE-911
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
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.
Remediation
Install updates from vendor's website.