CVE-2011-1886

Name: CVE-2011-1886
Creator: NVD / NIST
Published: 2011-07-13T23:55:01.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.88%

Last modified Jun 16, 2026

CVE-2011-1886 is a vulnerability of currently unknown severity. win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability.". EPSS estimates a 1.88% chance of exploitation in the next 30 days.

Description

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

Metrics

EPSS Probability

1.88%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows Xp	All versions	Sp3

References

Timeline

Published: Jul 13, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1886?

How severe is CVE-2011-1886?

Severity scoring for CVE-2011-1886 is pending analysis. The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1886?

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-2011-1886?

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

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Source: NVD / NIST