CVE-2010-4398
Actively exploited. CVE-2010-4398 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-28) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2010-4398 is indexed in Exploit-DB. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 94% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2010-4398 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2010-4398: Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerabilitycisa-kev · 2022-03-28
External references
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