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high7.8Known exploitedPublic exploit code

CVE-2010-4398

Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-28. Federal due date: 2022-04-21.

Apply updates per vendor instructions.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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."

Affected products

VendorProductAffected versions
MicrosoftWindows 7
All versions
MicrosoftWindows Server 2003
All versions
MicrosoftWindows Server 2008
All versions
Version r2
MicrosoftWindows Vista
All versions
MicrosoftWindows Xp
All versions

Weakness classification

References