CVE-2026-21349 Lightroom Desktop | Out-of-bounds Write (CWE-787)
An out-of-bounds write vulnerability in Adobe Lightroom Desktop allows arbitrary code execution if a user opens a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-21349?
CVE-2026-21349 is a high-severity memory corruption vulnerability in Adobe Lightroom Desktop, published on 10 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Lightroom 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.
Weakness: CWE-787
Which versions are affected by CVE-2026-21349?
It affects 1 product.
Products include Adobe Lightroom.
How do I fix CVE-2026-21349?
No fix has been published for CVE-2026-21349 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-21349 being exploited?
There is no known exploitation of CVE-2026-21349 in the wild and no public exploit code.
Other vulnerabilities in Adobe Lightroom Desktop
- CVE-2026-48397 Lightroom Classic | Deserialization of Untrusted Data (CWE-502)
- CVE-2026-48441 Lightroom Classic | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22)
- CVE-2026-47940 Lightroom Classic | Integer Overflow or Wraparound (CWE-190)
- CVE-2026-48404 Lightroom Classic | Out-of-bounds Write (CWE-787)
- CVE-2026-48405 Lightroom Classic | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-32m6-cw45-hq63.