Adobe Lightroom Classic up to 15.4.1 integer overflow

Summaryinfo

A vulnerability labeled as critical has been found in Adobe Lightroom Classic up to 15.4.1. This issue affects some unknown processing. Such manipulation leads to integer overflow. This vulnerability is referenced as CVE-2026-47940. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Adobe Lightroom Classic up to 15.4.1. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at helpx.adobe.com. This vulnerability is handled as CVE-2026-47940 since 05/20/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of 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). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• Adobe Creative Cloud

Productinfo

Vendor

• Adobe

Name

• Lightroom Classic

Version

• 15.0
• 15.1
• 15.2
• 15.2.0
• 15.2.1
• 15.3
• 15.3.0
• 15.3.1
• 15.4
• 15.4.0
• 15.4.1

License

• commercial

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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