CVE-2010-4398: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-03-30T14:55:48.252Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

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."

• Context preserved from previous revision: 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." 1. Use only isolated environments and systems you own or are explicitly authorized to test.

Technical Details

• CVE: CVE-2010-4398
• KEV date added: Unknown
• KEV due date: Not specified
• NVD published: 2010-12-06
• NVD modified: 2025-10-22
• MITRE modified: 2025-10-22
• CVSS base score: 7.8
• CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
• CVSS exploitability score: 1.8
• CVSS impact score: 5.9
• Attack vector: Local
• Attack complexity: Low
• Privileges required: Low
• User interaction: None
• Scope: Unchanged
• Confidentiality impact: High
• Integrity impact: High
• Availability impact: High

Versions and Products Impacted

• microsoft / windows 7
• microsoft / windows server 2003
• microsoft / windows server 2008
• microsoft / windows server 2008 (versions: r2)
• microsoft / windows vista
• microsoft / windows xp
• n/a / n/a (versions: n/a)

Weakness Classification

• CWE-787

Repositories for Lab Validation (Public Examples)

• Ostorlab/KEV | stars: 608 | updated: 2026-03-23 | https://github.com/Ostorlab/KEV
  Notes: Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

People and Organizations Mentioned

• mitre
• Ostorlab

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Inventory microsoft / windows 7 assets and confirm exact vulnerable versions with automated checks.
4. Patch in staged environments and validate closure with scanners + service health checks.
5. Map detections to MITRE ATT&CK tactics relevant to your environment and tune alert quality.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2010-4398
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2010-4398
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• http://isc.sans.edu/diary.html?storyid=9988
• http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
• http://secunia.com/advisories/42356
• http://support.avaya.com/css/P8/documents/100127248
• 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/exploits/15609/
• http://www.kb.cert.org/vuls/id/529673
• http://www.securityfocus.com/bid/45045
• http://www.securitytracker.com/id?1025046
• http://www.vupen.com/english/advisories/2011/0324
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4398
• Repository example: https://github.com/Ostorlab/KEV

This content is for defensive security training and authorized validation only.