# CVE-2026-100111: Adobe Photoshop out-of-bounds write arbitrary code execution

Source: https://junglewise.ai/threats/cve-2026-100111-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-2026-100111 · Severity: high · CVSS 7.8 · Published 2026-10-13

Adobe Photoshop, a widely used image editing application, contains multiple out-of-bounds write vulnerabilities that could allow attackers to execute arbitrary code with the privileges of the logged-in user. An attacker must trick a user into opening a malicious file to exploit these flaws. Successful exploitation could lead to complete system compromise, data theft, or malware installation.

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-2026-100111 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100111 being exploited in the wild.

**How severe is CVE-2026-100111?** 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-2026-100111?** 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-2026-100111 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-100111?** 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

Multiple out-of-bounds write vulnerabilities (CWE-787) exist in Photoshop's file parsing logic, requiring local attack vector and user interaction to open a crafted malicious file. The vulnerabilities affect Photoshop 2026 versions up to 27.10 and Photoshop 2025 versions up to 26.11.7, allowing arbitrary code execution in the current user's context. Adobe has released patches for both product lines.

## 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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