The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, do not properly handle unsp…

published 2010-08-11 16y ago modified 2026-06-16 4mo ago also EUVD-2010-1913

cvss: 7.2; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.0%; EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits: 2; Exploit-DB

The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, and Windows Server 2003 SP2, do not properly handle unspecified exceptions, which allows local users to gain privileges via a crafted application, aka "Win32k Exception Handling Vulnerability."

Is CVE-2010-1894 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

2010-04-22 First public exploit (EDB-12336)
2010-08-11 Published

Exploit prediction

2.96% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-14611 Microsoft Windows - 'SfnLOGONNOTIFY' Privilege Escalation (MS10-048) dos, 2010-08-10
EDB-12336 Microsoft Windows XP/2000/2003 - 'win32k.sys' SfnLOGONNOTIFY Local kernel Denial of Service dos, 2010-04-22

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2010/ms10-048
vendor-advisory
us-cert.gov /cas/techalerts/TA10-222A.html
third-party-advisory, us-government-resource
oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11769
vdb-entry, signature

Sources

CVE List CVE-2010-1894
NVD CVE-2010-1894

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.