{"id":"CVE-2012-0157","aliases":["EUVD-2012-0195","GHSA-55fr-8qcg-gvp7"],"status":"published","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003...","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka \"PostMessage Function 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":0.0136,"percentile":0.71907,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-03-13T21:00:00Z","modified":"2026-06-16T23:36:48Z","products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2003"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_vista"},{"vendor":"microsoft","product":"windows_xp"}],"references":[{"url":"http://www.us-cert.gov/cas/techalerts/TA12-073A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-018","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14217","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://osvdb.org/80002","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0157"},{"url":"https://github.com/advisories/GHSA-55fr-8qcg-gvp7"}],"sources":{"cve":[{"id":"CVE-2012-0157","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka \"PostMessage Function Vulnerability.\"","status":"published","published":"2012-03-13T21:00:00Z","modified":"2024-10-17T19:22:54.503Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"updated_at":"2026-11-02T14:34:52.981189Z"}],"euvd":[{"id":"EUVD-2012-0195","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka \"PostMessage Function Vulnerability.\"","status":"published","published":"2012-03-13T21:00:00Z","modified":"2024-10-17T19:22:54Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:27:33.264541Z"}],"ghsa":[{"id":"GHSA-55fr-8qcg-gvp7","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003...","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka \"PostMessage Function Vulnerability.\"","status":"published","published":"2022-05-04T00:28:30Z","modified":"2024-10-17T21:32:31Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:58:32.565259Z"}],"nvd":[{"id":"CVE-2012-0157","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly handle window messaging, which allows local users to gain privileges via a crafted application that calls the PostMessage function, aka \"PostMessage Function Vulnerability.\"","status":"published","published":"2012-03-13T21:55:01.51Z","modified":"2026-06-16T23:36:48.187Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/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-20"],"updated_at":"2026-11-02T14:02:13.901526Z"}]}}