CVE-2010-4398
High 7.8 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
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."
Metrics
- CVSS 3.1
-
7.8 (HIGH)
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 9% (percentile: 95) as of 1 November 2026
- CWE
- CWE-787
Affected products
microsoft: windows 7; microsoft: windows server 2003; microsoft: windows server 2008; microsoft: windows vista; microsoft: windows xp
References
- http://secunia.com/advisories/42356 Broken LinkVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-0… PatchVendor Advisory
- http://secunia.com/advisories/42356 Broken LinkVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-0… PatchVendor Advisory
- http://isc.sans.edu/diary.html?storyid=9988 ExploitIssue Tracking
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista… Broken LinkExploitThird Party AdvisoryVDB Entry
- http://www.exploit-db.com/exploits/15609/ ExploitThird Party AdvisoryVDB Entry
- http://isc.sans.edu/diary.html?storyid=9988 ExploitIssue Tracking
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista… Broken LinkExploitThird Party AdvisoryVDB Entry
- http://www.exploit-db.com/exploits/15609/ ExploitThird Party AdvisoryVDB Entry