# CVE-2026-48404: Adobe Lightroom Classic out-of-bounds write vulnerability

Source: https://junglewise.ai/threats/cve-2026-48404-adobe-lightroom-classic-out-of-bounds-write-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-11. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-48404 · Severity: high · CVSS 7.8 · Published 2026-08-11

Adobe Lightroom Classic contains an out-of-bounds write flaw that allows attackers to execute arbitrary code with the privileges of the user running the application. An attacker must trick a user into opening a specially crafted malicious file to trigger the vulnerability, potentially compromising the victim's system and access to stored photos and data.

Technologies: [Adobe Lightroom](https://junglewise.ai/threats/technologies/lightroom), [Adobe Lightroom Classic](https://junglewise.ai/threats/technologies/lightroom-classic), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe), [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-48404 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-48404 being exploited in the wild.

**How severe is CVE-2026-48404?** High severity, with a CVSS score of 7.8, published 11 August 2026.

**Which products and versions are affected?** Adobe Lightroom Classic.

**Is there a fix for CVE-2026-48404?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-48404 attacked?** It is attacked with local access.

**Am I affected by CVE-2026-48404?** Check whether you run Adobe Lightroom, Adobe Lightroom Classic or Microsoft Windows. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an out-of-bounds write in Adobe Lightroom Classic that arises from improper input validation or buffer handling, likely during file parsing or processing. Exploitation requires user interaction—specifically, the victim must open a malicious file crafted to trigger the out-of-bounds write condition. A successful exploit results in arbitrary code execution in the context of the current user. The vulnerability has been assigned CVE-2026-48404 with a CVSS score of 7.8 (high severity), and no active exploitation in the wild has been reported as of the advisory date.

## Affected products

- Adobe Lightroom Classic

## Timeline

- 2026-08-11: disclosed

## References

- [https://helpx.adobe.com/security/products/lightroom/apsb26-94.html](https://helpx.adobe.com/security/products/lightroom/apsb26-94.html)

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