The Windows kernel-mode drivers in win32k.sys in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, Server 200…

published 2010-06-08 16y ago modified 2026-06-16 4mo ago also EUVD-2010-0516

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

The Windows kernel-mode drivers in win32k.sys in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, Server 2008 Gold and SP2, Windows 7, and Server 2008 R2 "do not properly validate all callback parameters when creating a new window," which allows local users to execute arbitrary code, aka "Win32k Window Creation Vulnerability."

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2y ago (2023-12-12)

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:L/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness

CWE-20 Improper Input Validation

References

docs.microsoft.com /en-us/security-updates/securitybulletins/2010/ms10-032
vendor-advisory
oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6948
vdb-entry, signature
opera.com /support/kb/view/954/
us-cert.gov /cas/techalerts/TA10-159B.html
third-party-advisory, us-government-resource

Sources

CVE List CVE-2010-0485
NVD CVE-2010-0485

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