{"id":"CVE-2011-1887","aliases":["EUVD-2011-1885","GHSA-33xc-j7q8-qcjm"],"status":"published","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2, Windows Server 2008...","description":"win32k.sys in the kernel-mode drivers in Microsoft 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 CVEs listed in MS11-054, aka \"Win32k Null Pointer De-reference Vulnerability.\"","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01168,"percentile":0.6757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2011-07-13T23:00:00Z","modified":"2026-06-16T23:30:18Z","products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"http://www.securityfocus.com/bid/48601","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://osvdb.org/73789","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://support.avaya.com/css/P8/documents/100144947","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA11-193A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://secunia.com/advisories/45186","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securitytracker.com/id?1025761","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12711","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1887"},{"url":"https://github.com/advisories/GHSA-33xc-j7q8-qcjm"}],"sources":{"cve":[{"id":"CVE-2011-1887","description":"win32k.sys in the kernel-mode drivers in Microsoft 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 CVEs listed in MS11-054, aka \"Win32k Null Pointer De-reference Vulnerability.\"","status":"published","published":"2011-07-13T23:00:00Z","modified":"2025-01-21T18:05:17.529Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1885","description":"win32k.sys in the kernel-mode drivers in Microsoft 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 CVEs listed in MS11-054, aka \"Win32k Null Pointer De-reference Vulnerability.\"","status":"published","published":"2011-07-13T23:00:00Z","modified":"2025-01-21T18:05:17Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:15.779798Z"}],"ghsa":[{"id":"GHSA-33xc-j7q8-qcjm","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2, Windows Server 2008...","description":"win32k.sys in the kernel-mode drivers in Microsoft 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 CVEs listed in MS11-054, aka \"Win32k Null Pointer De-reference Vulnerability.\"","status":"published","published":"2022-05-13T01:15:32Z","modified":"2025-01-21T18:31:02Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:59:36.884709Z"}],"nvd":[{"id":"CVE-2011-1887","description":"win32k.sys in the kernel-mode drivers in Microsoft 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 CVEs listed in MS11-054, aka \"Win32k Null Pointer De-reference Vulnerability.\"","status":"published","published":"2011-07-13T23:55:01.427Z","modified":"2026-06-16T23:30:18.683Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}