CVE-2026-48397 Lightroom Classic | Deserialization of Untrusted Data (CWE-502)
An attacker can execute arbitrary code by tricking a user into opening a malicious file in Adobe Lightroom Classic.
- 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-2026-48397?
CVE-2026-48397 is a high-severity unsafe deserialization 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 a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.
Weakness: CWE-502
Which versions are affected by CVE-2026-48397?
It affects 1 product.
Products include Adobe Lightroom.
How do I fix CVE-2026-48397?
No fix has been published for CVE-2026-48397 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-48397 being exploited?
There is no known exploitation of CVE-2026-48397 in the wild and no public exploit code.
Other vulnerabilities in Adobe Lightroom Classic
- 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)
- CVE-2026-48406 Lightroom Classic | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-fx9q-m22m-m24f.