CVE-2010-4398
HIGHCISA KEVEPSS 94th pctlDescription
Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges, and bypass the User Account Control (UAC) feature, via a crafted REG_BINARY value for a SystemDefaultEUDCFont registry key, aka "Driver Improper Interaction with Windows Kernel Vulnerability."
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 94% of all known CVEs.
Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability
Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows allows local users to gain privileges, and bypass the User Account Control (UAC) feature.
Apply updates per vendor instructions.
Remediation due: 2022-04-21
References
- http://isc.sans.edu/diary.html?storyid=9988
- http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
- http://secunia.com/advisories/42356
- http://support.avaya.com/css/P8/documents/100127248
- http://twitter.com/msftsecresponse/statuses/7590788200402945
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/
- http://www.exploit-db.com/exploits/15609/
- http://www.kb.cert.org/vuls/id/529673
- http://www.securityfocus.com/bid/45045
- http://www.securitytracker.com/id?1025046
- http://www.vupen.com/english/advisories/2011/0324
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4398
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.