CVE-2010-3940

Name: CVE-2010-3940
Creator: NVD / NIST
Published: 2010-12-16T19:33:02.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.64%

Last modified Jun 16, 2026

CVE-2010-3940 is a vulnerability of currently unknown severity. Double free vulnerability in 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 allows local users to gain privileges via a crafted application, aka "Win32k PFE Pointer Double Free Vulnerability.". EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

Double free vulnerability in 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 allows local users to gain privileges via a crafted application, aka "Win32k PFE Pointer Double Free Vulnerability."

Metrics

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

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: Dec 16, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-3940?

How severe is CVE-2010-3940?

Severity scoring for CVE-2010-3940 is pending analysis. The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2010-3940?

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-2010-3940?

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

Scan your code now

Source: NVD / NIST