# CVE-2026-104347: Adobe Photoshop out-of-bounds write arbitrary code execution

Source: https://junglewise.ai/threats/cve-2026-104347-photoshop-desktop-is-affected-by-an-out-of-bounds-write  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-104347 · Severity: high · CVSS 7.8 · Published 2026-10-13

Adobe Photoshop, a professional image editing application used by designers and photographers worldwide, contains multiple out-of-bounds write vulnerabilities that allow arbitrary code execution. An attacker can exploit these by tricking a user into opening a malicious file, gaining the ability to execute code with the user's privileges and potentially compromise sensitive designs, credentials, or system access.

Technologies: [Adobe Photoshop](https://junglewise.ai/threats/technologies/photoshop), [Adobe Photoshop 2025](https://junglewise.ai/threats/technologies/photoshop-2025), [Adobe Photoshop 2026](https://junglewise.ai/threats/technologies/photoshop-2026), [Apple macOS](https://junglewise.ai/threats/technologies/macos-tahoe), [Microsoft Windows](https://junglewise.ai/threats/technologies/windows-). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe), [Apple](https://junglewise.ai/threats/vendors/apple), [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-104347 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104347 being exploited in the wild.

**How severe is CVE-2026-104347?** High severity, with a CVSS score of 7.8, published 13 October 2026.

**Which products and versions are affected?** Adobe Photoshop 2025 26.11.7 and earlier; Adobe Photoshop 2026 27.10 and earlier.

**Is there a fix for CVE-2026-104347?** Yes: fixed in Photoshop 2026 27.11, Photoshop 2025 26.11.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-104347 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-104347?** Check whether you run Adobe Photoshop, Adobe Photoshop 2025, Adobe Photoshop 2026 or one of the others listed at an affected version. 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.

## How to fix

- Fixed in Photoshop 2026 27.11, Photoshop 2025 26.11.8

## Technical details

The vulnerability is a classic out-of-bounds write condition (CWE-787) triggered when Photoshop processes malicious files; exploitation requires local access and user interaction to open a crafted document. An unauthenticated attacker can achieve arbitrary code execution in the context of the user running Photoshop. The advisory indicates this flaw has been fixed in recent versions.

## Affected products

- Adobe Photoshop 2026 27.10 and earlier
- Adobe Photoshop 2025 26.11.7 and earlier

## Timeline

- 2026-10-13: disclosed

## References

- [https://www.adobe.com/trust/security/products/photoshop/apsb26-158.html](https://www.adobe.com/trust/security/products/photoshop/apsb26-158.html)

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