Adobe Illustrator memory corruption vulnerability could lead to remote code execution

published 2021-09-08 5y ago modified 2026-06-17 4mo ago also EUVD-2021-8495

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 6.6%; EPSS 6.6% chance of exploitation in 30 days, percentile 93%
public exploits: 0; none known

Adobe Illustrator version 25.2 (and earlier) is affected by a memory corruption vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to remote code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

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Exploit prediction

6.56% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.8	CVSS:3.1/AV:N/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 Illustrator

Classification

Weakness

CWE-788 Access of Memory Location After End of Buffer
CWE-787 Out-of-bounds Write

References

helpx.adobe.com /security/products/illustrator/apsb21-24.html
vendor-advisory

Sources

CVE List CVE-2021-21104
NVD CVE-2021-21104

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