{"cve":"CVE-2011-0677","nvd":{"published":"2011-04-13T20:26:25.017","modified":"2026-06-16T23:27:52.060","status":"Modified","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other \"Vulnerability Type 2\" CVEs listed in MS11-034, aka \"Win32k Null Pointer De-reference Vulnerability.\"","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx","http://secunia.com/advisories/44156","http://support.avaya.com/css/P8/documents/100133352","http://www.securityfocus.com/bid/47224","http://www.securitytracker.com/id?1025345"],"products":["microsoft:windows_2003_server","microsoft:windows_7","microsoft:windows_server_2003","microsoft:windows_server_2008","microsoft:windows_vista","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:58:50.521460154+00:00"},"epss":{"cve":"CVE-2011-0677","score":0.01398,"percentile":0.72447,"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."]}