CVE-2011-1886
CVE-2011-1886 is a low-severity vulnerability in Microsoft Windows Xp with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Low (CVSS 2.0 base score 2.1)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows Xp
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2011-1886?
- 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."
- How severe is CVE-2011-1886?
- CVE-2011-1886 has a CVSS 2.0 base score of 2.1, rated low severity.
- Is CVE-2011-1886 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1886?
- CVE-2011-1886 affects Microsoft Windows Xp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2011-1886?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-1886 published?
- CVE-2011-1886 was published on 2011-07-13 and last updated on 2026-06-16.
References
- http://osvdb.org/73791
- http://secunia.com/advisories/45186
- http://support.avaya.com/css/P8/documents/100144947
- http://www.securityfocus.com/bid/48607
- http://www.securitytracker.com/id?1025761
- http://www.us-cert.gov/cas/techalerts/TA11-193A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778
Affected products (1)
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
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