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CVE-2010-4398: Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability

criticalknown exploitedpublic exploitCVE-2010-4398
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Microsoftproduct: WindowsPrivilege escalation
What
A stack-based buffer overflow in the RtlQueryRegistryValues function allows local users to gain privileges and bypass User Account Control.
Who is affected
Local users of Microsoft Windows.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch from Microsoft.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-28
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2010-4398

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2010-4398coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft Windows Kernel

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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