CVE-2016-3986
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.
Does this matter?
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.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 7.51% probability · 94th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 7 March 2016
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- avast/avast
- Source
- cve@mitre.org
EPSS moved from 10.1% on 21 September 2026 to 7.5% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.htmlExploit
- https://code.google.com/p/google-security-research/issues/detail?id=668
- https://www.exploit-db.com/exploits/39530/Exploit
- http://packetstormsecurity.com/files/136090/Avast-Authenticode-Parsing-Memory-Corruption.htmlExploit
- https://code.google.com/p/google-security-research/issues/detail?id=668
- https://www.exploit-db.com/exploits/39530/Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.