{"id":"CVE-2014-4148","aliases":["EUVD-2014-4079","GHSA-4wxx-xmrx-3xq9"],"status":"published","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2,...","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.5985,"percentile":0.99138,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2014-10-15T10:00:00Z","modified":"2026-06-17T00:09:30Z","kev":{"date_added":"2022-05-25","due_date":"2022-06-15","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-05-25"},{"source":"kev","since":"2022-05-25"}],"products":[{"vendor":"microsoft","product":"windows"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"vendor":"microsoft","product":"windows_server_2003"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx","tags":["x_refsource_CONFIRM","x_transferred","Not Applicable"]},{"url":"http://secunia.com/advisories/60970","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/70429","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/96995","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4148","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-4148"},{"url":"https://github.com/advisories/GHSA-4wxx-xmrx-3xq9"}],"sources":{"cve":[{"id":"CVE-2014-4148","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","status":"published","published":"2014-10-15T10:00:00Z","modified":"2025-10-22T00:05:35.135Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:33:45.938615Z"}],"euvd":[{"id":"EUVD-2014-4079","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","status":"published","published":"2014-10-15T10:00:00Z","modified":"2025-10-22T00:05:35Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-05-25","updated_at":"2026-11-02T19:49:39.244432Z"}],"ghsa":[{"id":"GHSA-4wxx-xmrx-3xq9","title":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2,...","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","status":"published","published":"2022-05-14T01:31:24Z","modified":"2025-10-22T03:31:44Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:04:10.406188Z"}],"kev":[{"id":"CVE-2014-4148","title":"Microsoft Windows Remote Code Execution Vulnerability","description":"A remote code execution vulnerability exists when the Windows kernel-mode driver improperly handles TrueType fonts.","cwes":["CWE-94"],"kev":{"date_added":"2022-05-25","due_date":"2022-06-15","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2014-4148","description":"win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka \"TrueType Font Parsing Remote Code Execution Vulnerability.\"","status":"published","published":"2014-10-15T10:55:08.693Z","modified":"2026-06-17T00:09:30.15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:02:56.266125Z"}]}}