CVE-2010-2549
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."
Key facts
- CVSS score
- 7.2 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-399
- EPSS score
- 5.1% (92th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-2553)
- Published
- July 2, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-2553 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows server 2008
- microsoft / windows vista
- microsoft / windows vista
Certified products that may be affected
7 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Windows Vista Enhanced Cryptographic Provider (RSAENH) - Microsoft Corporation - FIPS 140 1002 - historical
- Windows Vista Enhanced DSS and Diffie-Hellman Cryptographic Provider (DSSENH) - Microsoft Corporation - FIPS 140 1003 - historical
- Windows Vista Boot Manager (bootmgr) - Microsoft Corporation - FIPS 140 978 - historical
- Windows Vista Winload OS Loader (winload.exe) - Microsoft Corporation - FIPS 140 979 - historical
- Windows Vista Code Integrity (ci.dll) - Microsoft Corporation - FIPS 140 980 - historical
See all 7 in the Security Certifications Explorer.
References
- http://osvdb.org/66003
- http://seclists.org/fulldisclosure/2010/Jul/3(Exploit)
- http://secunia.com/advisories/40421(Vendor Advisory)
- http://www.exploit-db.com/exploits/14156(Exploit)
- http://www.securityfocus.com/bid/41280(Exploit)
- http://www.us-cert.gov/cas/techalerts/TA10-285A.html(US Government Resource)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/60120
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12215
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain