What is CVE-2020-3742?

CVE-2020-3742 is a critical-severity vulnerability in Adobe Acrobat Dc, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-13.

How severe is CVE-2020-3742?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Adobe Acrobat Dc

CVE-2020-3742

Adobe Acrobat and Reader versions, 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier have a heap overflow vulnerability. Successful exploitation could lead to arbitrary code execution .

Vulnerability class: Buffer Overflow

Published 2020-02-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.058 (92.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.058 · newest: 0.058 · change: 0.000

Affected products

Adobe Acrobat Dc
Adobe Acrobat Reader Dc
Adobe Acrobat And Reader — versions , 2019.021.20061 and earlier, 2017.011.30156 and earlier, 2017.011.30156 and earlier, and 2015.006.30508 and earlier versions
Apple macOS
Microsoft Windows

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

helpx.adobe.com/security/products/acrobat/apsb20-05.html (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3742?: CVE-2020-3742 is a critical-severity vulnerability in Adobe Acrobat Dc, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-02-13.
How severe is CVE-2020-3742?: Critical severity. CVSS v3 base score is 9.8 out of 10.