{"cve":"CVE-2011-0087","nvd":{"published":"2011-02-09T01:00:08.400","modified":"2026-06-16T23:26:47.010","status":"Modified","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, and Server 2008 Gold and SP2 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka \"Win32k Insufficient User Input Validation Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://osvdb.org/70819","http://secunia.com/advisories/43255","http://www.securityfocus.com/bid/46148","http://www.vupen.com/english/advisories/2011/0325","https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-012"],"products":["microsoft:windows_2003_server","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:57:56.749847046+00:00"},"epss":{"cve":"CVE-2011-0087","score":0.01831,"percentile":0.78873,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}