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Adobe Illustrator CVE-2026-75991

| EUVDEUVD-2026-74056 HIGH
Improper Input Validation (CWE-20)
2026-09-08 psirt@adobe.com GHSA-vvfm-w99c-rvcw
8.6
CVSS 3.1 · Vendor: adobe
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Severity by source

Vendor (adobe) PRIMARY
8.6 HIGH
AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
vuln.today AI
8.6 HIGH

File-parsing attack is local (AV:L), low complexity, no attacker privileges needed, active user interaction required, scope change confirmed by description.

3.1 AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
4.0 AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (adobe).

CVSS VectorVendor: adobe

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Metadata Corrected
Sep 08, 2026 - 21:40 vuln.today
tag: Adobe added
Analysis Generated
Sep 08, 2026 - 21:31 vuln.today
CVE Published
Sep 08, 2026 - 20:18 nvd
HIGH 8.6

DescriptionCVE.org

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.

AnalysisAI

Arbitrary code execution in Adobe Illustrator Desktop 2025 (≤29.8.10) and 2026 (≤30.7) is achievable when a victim opens a specially crafted malicious file, exploiting improper input validation (CWE-20) in the file-parsing subsystem. The CVSS scope-change indicator (S:C) signals that successful exploitation can affect resources beyond the Illustrator process boundary - i.e., impacts propagate to the broader user session or OS context. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that the victim open a malicious file in an affected version of Adobe Illustrator Desktop (2025 ≤29.8.10 or 2026 ≤30.7). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 8.6 reflects a local attack vector with low complexity, no privilege requirement, and required user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update Adobe Illustrator to a version above the affected thresholds via Adobe Creative Cloud's automatic update mechanism or manual update from the Creative Cloud desktop application. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, notify all Illustrator users to reject files from untrusted sources and report suspicious deliveries immediately. …

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CVE-2026-75991 vulnerability details – vuln.today

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