{"id":"CVE-2016-3986","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-3986","generatedAt":"2026-10-27T17:57:01.930Z","title":"Avast allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a crafted PE file, related to authenticode parsing.","description":"Avast allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a crafted PE file, related to authenticode parsing.","published":"2016-04-12T02:00:09.000Z","lastModified":"2026-06-17T00:46:41.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["avast/avast"],"epss":{"score":0.07506,"percentile":0.9445,"date":"2026-10-26","history":[{"date":"2026-09-21","score":0.10051,"percentile":0.9547},{"date":"2026-09-22","score":0.07881,"percentile":0.94445}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2016-03-07","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":39530,"kind":"exploit","title":"Avast! - Authenticode Parsing Memory Corruption","url":"https://www.exploit-db.com/exploits/39530","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/dos/39530.txt","file":"exploits/windows/dos/39530.txt","published":"2016-03-07","added":"2016-03-07","updated":"2016-03-09","author":"Google Security Research","type":"dos","platform":"windows","port":null,"verified":true,"codes":["CVE-2016-3986"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://code.google.com/p/google-security-research/issues/detail?id=668"}]},"verdict":{"level":"urgent","text":"A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 7.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.10051,"from":0.07881,"percentile":0.9547},"summary":"EPSS moved from 7.9% to 10.1% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.html","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://code.google.com/p/google-security-research/issues/detail?id=668","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/39530/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.html","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://code.google.com/p/google-security-research/issues/detail?id=668","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/39530/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-3986","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}