Adobe Lightroom Classic up to 15.4.1 out-of-bounds write

Summaryinfo

A vulnerability, which was classified as critical, has been found in Adobe Lightroom Classic up to 15.4.1. This impacts an unknown function. This manipulation causes out-of-bounds write. This vulnerability is registered as CVE-2026-48407. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Adobe Lightroom Classic up to 15.4.1. It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Lightroom Classic is 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.

It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2026-48407 since 05/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2026).

The vulnerability scanner Nessus provides a plugin with the ID 339065 (Adobe Lightroom Classic < 15.5 Multiple Arbitrary code execution (APSB26-94)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 15.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (339065) and CERT Bund (WID-SEC-2026-2773). Be aware that VulDB is the high quality source for vulnerability data.

Affected

• Adobe Creative Cloud

Productinfo

Vendor

• Adobe

Name

• Lightroom Classic

Version

• 15.4.0
• 15.4.1

License

• commercial

Website

• Vendor: https://www.adobe.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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