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

> CVE-2010-4398: Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability. CVSS 7.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2010-4398
Last updated: 2025-10-22T00:05:50Z

- Published: 2010-12-03 20:00 UTC · Updated: 2025-10-22 00:05 UTC · Assigner: mitre
- CVSS: 7.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS: 8.7%, 95th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-03-28, federal due date 2022-04-21, ransomware use: Unknown

## 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."

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Microsoft: Windows

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2010-4398)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2010-4398)
- [http://isc.sans.edu/diary.html?storyid=9988](http://isc.sans.edu/diary.html?storyid=9988)
- [http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/](http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/)
- [https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011)
- [http://secunia.com/advisories/42356](http://secunia.com/advisories/42356)
- [https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162](https://oval.cisecurity.org/repository/search/definition/oval%253Aorg.mitre.oval%253Adef%253A12162)
- [http://support.avaya.com/css/P8/documents/100127248](http://support.avaya.com/css/P8/documents/100127248)
- [http://twitter.com/msftsecresponse/statuses/7590788200402945](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/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/)
- [http://www.exploit-db.com/exploits/15609/](http://www.exploit-db.com/exploits/15609/)
- [http://www.kb.cert.org/vuls/id/529673](http://www.kb.cert.org/vuls/id/529673)
- [http://www.securityfocus.com/bid/45045](http://www.securityfocus.com/bid/45045)
- [http://www.securitytracker.com/id?1025046](http://www.securitytracker.com/id?1025046)
- [http://www.vupen.com/english/advisories/2011/0324](http://www.vupen.com/english/advisories/2011/0324)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2010-4398 · Markdown: https://rewindex.com/cve/CVE-2010-4398.md · JSON: https://rewindex.com/api/v1/cves/CVE-2010-4398 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T01:58:45.428Z