{"id":"CVE-2010-3126","aliases":["EUVD-2010-3126","GHSA-86m9-jwxx-2r6p"],"status":"published","title":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows...","description":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07826,"percentile":0.94712,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2010-08-26T18:00:00Z","modified":"2026-06-16T23:22:10Z","exploits":[{"source":"exploitdb","id":"EDB-14743","title":"Avast! 5.0.594 - 'mfc90loc.dll' License Files DLL Hijacking","type":"local","platform":"windows","date":"2010-08-25","url":"https://www.exploit-db.com/exploits/14743"}],"products":[{"vendor":"avast","product":"avast_antivirus_free"}],"references":[{"url":"http://secunia.com/advisories/41109","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2010/2175","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.exploit-db.com/exploits/14743","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7193","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-3126"},{"url":"https://github.com/advisories/GHSA-86m9-jwxx-2r6p"}],"sources":{"cve":[{"id":"CVE-2010-3126","description":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.","status":"published","published":"2010-08-26T18:00:00Z","modified":"2024-08-07T02:55:46.759Z","updated_at":"2026-11-02T14:33:27.739358Z"}],"euvd":[{"id":"EUVD-2010-3126","description":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.","status":"published","published":"2010-08-26T18:00:00Z","modified":"2024-08-07T02:55:46Z","updated_at":"2026-11-03T01:39:35.451487Z"}],"ghsa":[{"id":"GHSA-86m9-jwxx-2r6p","title":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows...","description":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.","status":"published","published":"2022-05-17T01:04:36Z","modified":"2023-02-03T05:03:11Z","updated_at":"2026-11-02T14:53:18.579163Z"}],"nvd":[{"id":"CVE-2010-3126","description":"Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.","status":"published","published":"2010-08-26T18:36:35.623Z","modified":"2026-06-16T23:22:10.613Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:52.227027Z"}]}}