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CVE-2011-1886

2.1 · LOW

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 cra…

Published Jul 13, 2011microsoftEPSS 1.88%

Overview

CVE-2011-1886 is a low-severity vulnerability affecting microsoft windows_xp. It was published on July 13, 2011 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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."

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_xp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refosvdb.org/73791Refsecunia.com/advisories/45186Refsupport.avaya.com/css/P8/documents/100144947Refwww.securityfocus.com/bid/48607Refwww.securitytracker.com/id?1025761Refwww.us-cert.gov/cas/techalerts/TA11-193A.htmlRefdocs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054Refoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778Refosvdb.org/73791Refsecunia.com/advisories/45186

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1886?

CVE-2011-1886 is a low-severity vulnerability affecting microsoft windows_xp. It was published on July 13, 2011 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2011-1886?

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1886?

Check the references section for vendor advisories and patches from microsoft. Update windows_xp to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1886?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1886 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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