CVE-2026-47940

Analyzed Analyzed - Analysis Complete

Integer Overflow in Adobe Lightroom Classic Leading to Code Execution

Publication date: 2026-08-11

Last updated on: 2026-08-28

Assigner: Adobe Systems Incorporated

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-11

Last Modified

2026-08-28

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-30

NVD

CVE-2026-47940

EUVD

EUVD-2026-56827

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	lightroom	to 15.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
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 occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Attack-Flow Graph

Executive Summary

This vulnerability is an Integer Overflow or Wraparound issue in Adobe Lightroom Classic. It could allow attackers to execute arbitrary code on a victim's system if they open a specially crafted malicious file.

Detection Guidance

This vulnerability requires user interaction to exploit, such as opening a malicious file. Detection involves monitoring for suspicious file activity or unusual behavior when opening files in Lightroom Classic. Check for unexpected crashes or memory corruption when processing images. Ensure Adobe Lightroom Classic is updated to the latest version to mitigate risks.

Impact Analysis

If exploited, this vulnerability could let an attacker run malicious code on your computer, potentially stealing data, installing malware, or taking control of your system. It requires you to open a harmful file.

Compliance Impact

This vulnerability could lead to arbitrary code execution, potentially allowing unauthorized access to sensitive data. This may impact compliance with GDPR and HIPAA by increasing the risk of data breaches and unauthorized processing of personal or health information.

Mitigation Strategies

Update Adobe Lightroom Classic to the latest version to patch the Integer Overflow vulnerability. Avoid opening untrusted files or files from unknown sources until the update is applied.

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