Adobe After Effects versions 17.1 and earlier have a heap overflow vulnerability.

published 2020-06-25 6y ago modified 2026-06-17 4mo ago also EUVD-2020-30423

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.4%; EPSS 8.4% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

Adobe After Effects versions 17.1 and earlier have a heap overflow vulnerability. Successful exploitation could lead to arbitrary code execution .

Patch / fix

links 1

helpx.adobe.com/security/products/after_effects/apsb20-35.html advisory

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Exploit prediction

8.44% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

Adobe Adobe After Effects

Classification

Weakness

CWE-787 Out-of-bounds Write

References

helpx.adobe.com /security/products/after_effects/apsb20-35.html
patch, vendor-advisory

Sources

CVE List CVE-2020-9637
NVD CVE-2020-9637

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