CVE-2011-0089

Name: CVE-2011-0089
Creator: NVD / NIST
Published: 2011-02-09T01:00:08.57+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.68%

Last modified Jun 16, 2026

CVE-2011-0089 is a vulnerability of currently unknown severity. win32k.sys in the kernel-mode drivers 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 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Window Class Improper Pointer Validation Vulnerability.". EPSS estimates a 1.68% chance of exploitation in the next 30 days.

Description

win32k.sys in the kernel-mode drivers 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 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Window Class Improper Pointer Validation Vulnerability."

Metrics

EPSS Probability

1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 2003 Server	All versions	Sp2
Microsoft	Windows 7	All versions	—
Microsoft	Windows Server 2003	All versions	Sp2
Microsoft	Windows Server 2008	All versions	—
Microsoft	Windows Vista	All versions	Sp1
Microsoft	Windows Xp	All versions	Sp3

References

Timeline

Published: Feb 9, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0089?

How severe is CVE-2011-0089?

Severity scoring for CVE-2011-0089 is pending analysis. The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0089?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0089?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST