CVE-2010-4398
Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003…
- 7.8HighCVSS base score
- 8.7%Exploitation in 30 daysEPSS · top 4.8% of all CVEs
- YesKnown exploitedin CISA's KEV since 28 Mar 2022
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Windows Kernel Stack-Based Buffer Overflow Vulnerability.
- Added
- 28 Mar 2022
- Fix due (US federal)
- 21 Apr 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 28 Mar 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits2
Exploit-DB1 entry
- Microsoft Windows Vista/7 - Local Privilege Escalation (UAC Bypass) (Exploit-DB entry) (opens in a new tab)
EDB-ID 15609local, windowspublished 24 Nov 2010Verified
References tagged exploit1 reference
- 15609 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 11 years later
· 11 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 8.7% · top 4.8% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
14
- http://isc.sans.edu/diary.html?storyid=9988 (opens in a new tab)x_refsource_MISCx_transferred
- 45045 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 15609 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/ (opens in a new tab)x_refsource_MISCx_transferred
- http://support.avaya.com/css/P8/documents/100127248 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2011-0324 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/ (opens in a new tab)x_refsource_MISCx_transferred
- http://twitter.com/msftsecresponse/statuses/7590788200402945 (opens in a new tab)x_refsource_MISCx_transferred
- MS11-011 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 1025046 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- VU#529673 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 42356 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:12162 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-4398 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-4367 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-4398)Record last updated .