CVE-2011-0087 json
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, and Server 2008 Gold and SP2…
published 2011-02-09 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0113
- cvss
- 7.2
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, and Server 2008 Gold and SP2 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Insufficient User Input Validation Vulnerability."
Exploit prediction
1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
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-20 Improper Input Validation
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2011/ms11-012
vendor-advisory
-
secunia.com
/advisories/43255
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2011/0325
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/46148
vdb-entry
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12312
vdb-entry, signature
-
osvdb.org
/70819
vdb-entry
Sources
- CVE List CVE-2011-0087
- NVD CVE-2011-0087
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.