{"id":"CVE-2013-3154","aliases":["EUVD-2013-3092","GHSA-gcrr-wmq9-gv5w"],"status":"published","title":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server...","description":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka \"Microsoft Windows 7 Defender Improper Pathname Vulnerability.\"","severity":{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01765,"percentile":0.78196,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-07-10T01:00:00Z","modified":"2026-06-16T23:54:36Z","products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_defender"},{"vendor":"microsoft","product":"windows_server_2008"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-058","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://blogs.technet.com/b/srd/archive/2013/07/09/assessing-risk-for-the-july-2013-security-updates.aspx","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17253","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.us-cert.gov/ncas/alerts/TA13-190A","tags":["third-party-advisory","x_refsource_CERT","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-3154"},{"url":"https://github.com/advisories/GHSA-gcrr-wmq9-gv5w"}],"sources":{"cve":[{"id":"CVE-2013-3154","description":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka \"Microsoft Windows 7 Defender Improper Pathname Vulnerability.\"","status":"published","published":"2013-07-10T01:00:00Z","modified":"2024-08-06T16:00:10.108Z","updated_at":"2026-11-02T14:34:56.530545Z"}],"euvd":[{"id":"EUVD-2013-3092","description":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka \"Microsoft Windows 7 Defender Improper Pathname Vulnerability.\"","status":"published","published":"2013-07-10T01:00:00Z","modified":"2024-08-06T16:00:10Z","updated_at":"2026-11-03T01:56:36.190633Z"}],"ghsa":[{"id":"GHSA-gcrr-wmq9-gv5w","title":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server...","description":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka \"Microsoft Windows 7 Defender Improper Pathname Vulnerability.\"","status":"published","published":"2022-05-14T02:13:36Z","modified":"2023-02-02T05:05:23Z","updated_at":"2026-11-02T14:52:06.092141Z"}],"nvd":[{"id":"CVE-2013-3154","description":"The signature-update functionality in Windows Defender on Microsoft Windows 7 and Windows Server 2008 R2 relies on an incorrect pathname, which allows local users to gain privileges via a Trojan horse application in the %SYSTEMDRIVE% top-level directory, aka \"Microsoft Windows 7 Defender Improper Pathname Vulnerability.\"","status":"published","published":"2013-07-10T03:46:10.467Z","modified":"2026-06-16T23:54:36.82Z","cvss":[{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:31.592595Z"}]}}