CVE-2026-21349
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 · uneditedLightroom Desktop versions 15.1 and earlier are affected by an out-of-bounds write 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 confidenceLightroom Desktop versions 15.1 and earlier contain an out-of-bounds write vulnerability that could allow arbitrary code execution when a user opens a maliciously crafted file, running with the privileges of the current user.
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< 14.5.2>= 15.0, < 15.1.1CVSS 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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Confirm Lightroom Desktop installationLocate Adobe Lightroom Desktop application on your system (Windows: Program Files/Adobe/Adobe Lightroom, macOS: /Applications/Adobe Lightroom)Affected if The Lightroom Desktop application directory exists on the system
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Identify installed Lightroom versionOpen Lightroom Desktop and navigate to Help > About Adobe Lightroom (Windows) or Lightroom > About Adobe Lightroom (macOS) to display the version numberAffected if A version number such as 14.x.x or 15.x.x is displayed
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Compare version against affected rangesCheck if your installed version is less than 14.5.2, or between 15.0 and 15.1.1 (including 15.0.x and 15.1.0)Affected if Installed version is < 14.5.2 OR (>= 15.0 AND < 15.1.1)
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Assess exposure to malicious filesDetermine whether Lightroom Desktop is used to open image files from external or untrusted sourcesAffected if Users routinely open image files from unverified or unexpected sources using Lightroom Desktop
You are affected if Lightroom Desktop version is either below 14.5.2 or falls within the 15.0 to 15.1.1 range, and users open files with the application.
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 · scoped14.5.215.1.1
Update Lightroom Desktop to a version newer than 15.1 when a patch is available, and avoid opening untrusted or unexpected image files from unverified sources.
Lightroom 14.5.2 (for versions < 14.5.2) or Lightroom 15.1.1 (for versions >= 15.0 and < 15.1.1)
- Open Adobe Creative Cloud desktop application on your computer
- Navigate to the Apps section and find Lightroom in your installed apps
- Click on the update button next to Lightroom, or select 'Update' to install the latest version
- Alternatively, visit helpx.adobe.com and download the latest Lightroom version from the Adobe downloads page
- Restart Lightroom after the update completes
- Verify the installed version by going to Help > About Lightroom to confirm you have version 14.5.2 or 15.1.1
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 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-2026-21349 — 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-2026-21349 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