What is CVE-2020-3764?

CVE-2020-3764 is a high-severity vulnerability in Adobe Media Encoder, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-02-20.

How severe is CVE-2020-3764?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Adobe Media Encoder

CVE-2020-3764

Adobe Media Encoder versions 14.0 and earlier have an out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution .

Vulnerability class: Buffer Overflow

Published 2020-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.051 (92.3th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000

Affected products

Adobe Media Encoder — versions 14.0 and earlier versions
Adobe Media Encoder
Microsoft Windows

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

helpx.adobe.com/security/products/media-encoder/apsb20-10.html (Patch, Vendor Advisory)
www.zerodayinitiative.com/advisories/ZDI-20-332/ (VDB Entry, Third Party Advisory)
www.zerodayinitiative.com/advisories/ZDI-20-331/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-3764?: CVE-2020-3764 is a high-severity vulnerability in Adobe Media Encoder, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2020-02-20.
How severe is CVE-2020-3764?: High severity. CVSS v3 base score is 7.8 out of 10.