{"id":"CVE-2011-1886","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1886","generatedAt":"2026-10-27T17:56:40.346Z","title":"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…","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.\"","published":"2011-07-13T23:55:01.000Z","lastModified":"2026-06-16T23:30:19.000Z","status":"Modified","sourceIdentifier":"secure@microsoft.com","cvss":{"version":"2.0","score":2.1,"severity":"LOW","vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N"},"cwe":[],"affected":["microsoft/windows xp"],"epss":{"score":0.01878,"percentile":0.79281,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.88%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://osvdb.org/73791","source":"secure@microsoft.com"},{"url":"http://secunia.com/advisories/45186","source":"secure@microsoft.com"},{"url":"http://support.avaya.com/css/P8/documents/100144947","source":"secure@microsoft.com"},{"url":"http://www.securityfocus.com/bid/48607","source":"secure@microsoft.com"},{"url":"http://www.securitytracker.com/id?1025761","source":"secure@microsoft.com"},{"url":"http://www.us-cert.gov/cas/techalerts/TA11-193A.html","tags":["US Government Resource"],"source":"secure@microsoft.com"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054","source":"secure@microsoft.com"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778","source":"secure@microsoft.com"},{"url":"http://osvdb.org/73791","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/45186","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.avaya.com/css/P8/documents/100144947","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/48607","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1025761","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.us-cert.gov/cas/techalerts/TA11-193A.html","tags":["US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12778","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1886","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}