CVE-2023-26426
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIllustrator version 26.5.2 (and earlier) and 27.2.0 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceAdobe Illustrator versions 26.5.2 and earlier and 27.2.0 and earlier contain a Use After Free vulnerability that could allow arbitrary code execution when a user opens a maliciously crafted file, requiring user interaction for exploitation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 26.5.2>= 27.0.0, < 27.3.1CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Locate Adobe Illustrator installationOn Windows, open Control Panel > Programs and Features and find Adobe Illustrator in the list. On macOS, open Finder > Applications and locate Adobe Illustrator.Affected if Adobe Illustrator is installed on the system
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Determine installed version numberOpen Adobe Illustrator and go to Help > About Adobe Illustrator. On Windows, you can also check the version in Programs and Features. On macOS, right-click the application in Applications and select Get Info to see the version.Affected if The version displayed is 26.5.2 or lower, or between 27.0.0 and 27.3.0 inclusive
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Compare version against CVE rangesCompare the installed version number to these affected ranges: versions 26.5.2 and earlier, OR versions 27.0.0 through 27.3.0. Versions 27.3.1 and later are patched.Affected if Your installed version falls within <= 26.5.2 or >= 27.0.0 and < 27.3.1
You are affected if Adobe Illustrator is installed and the version is 26.5.2 or lower, or between 27.0.0 and 27.3.0 inclusive.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped27.3.1
Update Adobe Illustrator to the latest patched version beyond 26.5.2 and 27.2.0, and exercise caution when opening files from untrusted sources.
27.3.1 or later
- 1. Close Adobe Illustrator if it is currently running.
- 2. Open Adobe Creative Cloud desktop application or navigate to the Adobe Illustrator download page.
- 3. Locate Adobe Illustrator in your installed applications.
- 4. Click on the update option to download and install the latest version.
- 5. Alternatively, download the updated version directly from helpx.adobe.com or your Adobe account portal.
- 6. Restart Adobe Illustrator after the update completes.
- 7. Verify the version by going to Help > About Adobe Illustrator and confirm the version number is 27.3.1 or later.
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-26426 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2023-26426 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data