CVE-2026-75991: Illustrator is affected by an Improper Input Validation vulnerability that could result in arbitrary code exec

Routine

HIGH 8.6UPGRADE

CVE-2026-75991 is a high-severity flaw (CVSS 8.6) affecting illustrator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Illustrator is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.6 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-20
Published	2026-09-08
Last modified	2026-09-18

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

Last updated 2026-09-18 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-08 20:18 UTCPublished CVE record published
2026-09-18 14:21 UTCUpdated Record last modified

adobe illustrator UPGRADE

Affected: >= 29.0 and < 29.8.11 · >= 30.0 and < 30.8

Fixed in: 29.8.11, 30.8

Safe to downgrade to: a release before 29.0

1. Check installed version

apt-cache policy illustrator || rpm -q illustrator || illustrator --version

2. UPGRADE to 29.8.11 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade illustrator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade illustrator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 29.0 (Debian / Ubuntu)

apt-cache madison illustrator sudo apt install illustrator=<VERSION_BEFORE_29.0> sudo apt-mark hold illustrator

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list illustrator sudo dnf downgrade illustrator-<VERSION_BEFORE_29.0> sudo dnf versionlock add illustrator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-75991?

illustrator: upgrade to 29.8.11, 30.8. Exact commands for each OS are on this page.

Is CVE-2026-75991 being exploited?

CVE-2026-75991 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-75991 affect?

CVE-2026-75991 affects illustrator. Severity is high (CVSS 8.6). Illustrator is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of

How urgent is CVE-2026-75991?

Priority 36/100. High severity

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References

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