CVE-2010-4398
Out-of-bounds Write
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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."
Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
CVSS 3.1 High 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector: Local
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: Low
A basic user account is needed.
User interaction: None
No action from any user is needed.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | Low | A basic user account is needed. |
| User interaction | None | No action from any user is needed. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.08661 (8.7% probability)
- Percentile
- 95.2%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability
- Added to the catalog
- Mar 28, 2022
- Federal due date
- Apr 21, 2022
CISA assessment as of Feb 10, 2025
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-787Out-of-bounds Write
References
- isc.sans.edu/diary.html?storyid=9988
- 45045 (securityfocus.com)vdb-entry
- 15609 (exploit-db.com)exploit
- nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-fl…
- support.avaya.com/css/P8/documents/100127248
- ADV-2011-0324 (vupen.com)vdb-entry
- exploit-db.com/bypassing-uac-with-user-privilege-under-wind…
- twitter.com/msftsecresponse/statuses/7590788200402945
- MS11-011 (docs.microsoft.com)vendor-advisory
- 1025046 (securitytracker.com)vdb-entry
- VU#529673 (kb.cert.org)third-party-advisory
- 42356 (secunia.com)third-party-advisory
- oval:org.mitre.oval:def:12162 (oval.cisecurity.org)vdb-entrysignature
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
Look up another CVE
About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:47 UTC. Sources and licenses