How severe is CVE-2016-3986?

CVE-2016-3986 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-3986 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-3986?

CVE-2016-3986 affects Avast. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-3986?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-3986 published?

CVE-2016-3986 was published on 2016-04-12 and last updated on 2026-06-17.

CVE-2016-3986

CVE-2016-3986 is a high-severity vulnerability in Avast with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Avast
Published: 2016-04-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-3986?: CVE-2016-3986 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-3986 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-3986?: CVE-2016-3986 affects Avast. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-3986?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-3986 published?: CVE-2016-3986 was published on 2016-04-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:avast:avast:-:*:*:*:*:*:*:*

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