AEGLIX vulnerability intelligence
CVE-2010-4398
HIGH · CVSS 7.8 · Analyzed
Published: 2010-12-06 · Updated: 2026-06-16 · Source: NVD
Stored catalog record
Source record retrieved 2026-10-28T13:13:26.177938+00:00. Scheduled imports handle updates; this page does not assert that the provider was queried just now.
Vulnerability overview
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."
Patch review priority
Known exploitation: prioritize review
- CISA KEV lists real-world exploitation.
FIRST EPSS: 8.66% · percentile 95.1 · score date 2026-10-27.
EPSS estimates probability of exploitation in the next 30 days. It does not measure your exposure or prove exploitation. The elevated threshold is 10%; CISA KEV takes precedence. About FIRST EPSS ↗
Severity and scoring
- CVSS score
- 7.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Microsoft · Windows
- Added to catalog
- 2022-03-28
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-04-21
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
cpe:2.3:o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- http://isc.sans.edu/diary.html?storyid=9988
Exploit · Issue Tracking
- http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
Broken Link
- http://secunia.com/advisories/42356
Broken Link · Vendor Advisory
- http://support.avaya.com/css/P8/documents/100127248
Third Party Advisory
- http://twitter.com/msftsecresponse/statuses/7590788200402945
Not Applicable
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/
Broken Link · Exploit · Third Party Advisory · VDB Entry
- http://www.exploit-db.com/exploits/15609/
Exploit · Third Party Advisory · VDB Entry
- http://www.kb.cert.org/vuls/id/529673
Third Party Advisory · US Government Resource
- http://www.securityfocus.com/bid/45045
Broken Link · Third Party Advisory · VDB Entry
- http://www.securitytracker.com/id?1025046
Broken Link · Third Party Advisory · VDB Entry
- http://www.vupen.com/english/advisories/2011/0324
Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011
Patch · Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162
Broken Link
- http://isc.sans.edu/diary.html?storyid=9988
Exploit · Issue Tracking
- http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
Broken Link
- http://secunia.com/advisories/42356
Broken Link · Vendor Advisory
- http://support.avaya.com/css/P8/documents/100127248
Third Party Advisory
- http://twitter.com/msftsecresponse/statuses/7590788200402945
Not Applicable
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/
Broken Link · Exploit · Third Party Advisory · VDB Entry
- http://www.exploit-db.com/exploits/15609/
Exploit · Third Party Advisory · VDB Entry
- http://www.kb.cert.org/vuls/id/529673
Third Party Advisory · US Government Resource
- http://www.securityfocus.com/bid/45045
Broken Link · Third Party Advisory · VDB Entry
- http://www.securitytracker.com/id?1025046
Broken Link · Third Party Advisory · VDB Entry
- http://www.vupen.com/english/advisories/2011/0324
Broken Link
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-011
Patch · Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12162
Broken Link
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4398
US Government Resource