7.2
CVSSv2

CVE-2010-2549

Published: 02/07/2010 Updated: 07/12/2023
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
VMScore: 725
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

Use-after-free vulnerability in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2 and Server 2008 Gold and SP2 allows local users to gain privileges or cause a denial of service (system crash) by using a large number of calls to the NtUserCheckAccessForIntegrityLevel function to trigger a failure in the LockProcessByClientId function, leading to deletion of an in-use process object, aka "Win32k Reference Count Vulnerability."

Vulnerability Trend

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microsoft windows server 2008

microsoft windows server 2008 -

microsoft windows vista

Exploits

Windows Vista/Server 2008 NtUserCheckAccessForIntegrityLevel Use-after-free Vulnerability Intro: Due to hostility toward security researchers, the most recent example being of Tavis Ormandy, a number of us from the industry (and some not from the industry) have come together to form MSRC: the Microsoft-Spurned Researcher Collective MSRC will fu ...