CVE-2026-47940 Lightroom Classic | Integer Overflow or Wraparound (CWE-190)
An integer overflow in Adobe Lightroom Classic 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-2026-47940?
CVE-2026-47940 is a high-severity vulnerability in Adobe Lightroom Classic, published on 11 Aug 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 Classic is affected by an Integer Overflow or Wraparound 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-190
Which versions are affected by CVE-2026-47940?
It affects 1 product.
Products include Adobe Lightroom.
How do I fix CVE-2026-47940?
No fix has been published for CVE-2026-47940 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-47940 being exploited?
There is no known exploitation of CVE-2026-47940 in the wild and no public exploit code.
Other vulnerabilities in Adobe Lightroom Classic
- 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-2026-48404 Lightroom Classic | Out-of-bounds Write (CWE-787)
- CVE-2026-48405 Lightroom Classic | Out-of-bounds Write (CWE-787)
- CVE-2026-48406 Lightroom Classic | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-q7jf-864h-xw7v.