Code execution via malicious file out-of-bounds write
Published Feb 10, 2026 · Updated Feb 10, 2026
Out-of-bounds write in Adobe Lightroom Classic 15.1 and earlier allows attackers to execute code after a user opens a malicious file. Adobe has not disclosed the affected file parser or the unchecked write operation beyond classifying it as an out-of-bounds write. The flaw is limited to Windows, requires victim interaction, and executes code with the current user's privileges.
Summary
What happened
Out-of-bounds write in Adobe Lightroom Classic 15.1 and earlier allows attackers to execute code after a user opens a malicious file. Adobe has not disclosed the affected file parser or the unchecked write operation beyond classifying it as an out-of-bounds write. The flaw is limited to Windows, requires victim interaction, and executes code with the current user's privileges.
The record
- CVE
- CVE-2026-21349
- Published
- Feb 10, 2026
- Updated
- Feb 10, 2026
- Vendor
- Adobe
- Product
- Adobe Lightroom
- Classifications
- CWE-787, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 10, 2026CVE publishedPublication date reported by the CVE source.
- Feb 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=15.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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