# CVE-2026-117547: Adobe Photoshop out-of-bounds write in file parsing

Source: https://junglewise.ai/threats/cve-2026-117547-photoshop-desktop-is-affected-by-an-out-of-bounds-write  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-117547 · Severity: high · CVSS 7.8 · Published 2026-11-10

Adobe Photoshop, a widely-used image editing application, contains an out-of-bounds write vulnerability that occurs when processing specially crafted files. An attacker can exploit this by distributing a malicious file; when a user opens it, the attacker gains arbitrary code execution with the user's privileges. This could lead to data theft, system compromise, or installation of malware.

Technologies: [Adobe Photoshop 2025](https://junglewise.ai/threats/technologies/photoshop-2025), [Adobe Photoshop 2026](https://junglewise.ai/threats/technologies/photoshop-2026), [Adobe Photoshop 2027](https://junglewise.ai/threats/technologies/photoshop-2027). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-117547 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-117547 being exploited in the wild.

**How severe is CVE-2026-117547?** High severity, with a CVSS score of 7.8, published 10 November 2026.

**Which products and versions are affected?** Adobe Photoshop 2025 26.11.8 and earlier; Adobe Photoshop 2026 27.11 and earlier; Adobe Photoshop 2027 before 28.0.

**Is there a fix for CVE-2026-117547?** Yes: fixed in Photoshop 2027 28.0, Photoshop 2026 27.11.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-117547 attacked?** It is attacked with local access, in a web application.

**Am I affected by CVE-2026-117547?** Check whether you run Adobe Photoshop 2025, Adobe Photoshop 2026 or Adobe Photoshop 2027 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 2027 28.0, Photoshop 2026 27.11.1

## Technical details

The vulnerability is an out-of-bounds write (CWE-787) in Photoshop's file parsing logic, allowing arbitrary code execution. Exploitation requires local access and user interaction—a victim must open a malicious file; no network or authentication bypass is needed. Adobe has released fixes in Photoshop 2027 version 28.0 and Photoshop 2026 version 27.11.1.

## Affected products

- Adobe Photoshop 2027 before 28.0
- Adobe Photoshop 2026 27.11 and earlier
- Adobe Photoshop 2025 26.11.8 and earlier

## Timeline

- 2026-11-10: disclosed
- 2026-11-10: advisory: APSB26-181

## References

- [https://www.adobe.com/trust/security/products/photoshop/apsb26-181.html](https://www.adobe.com/trust/security/products/photoshop/apsb26-181.html)

## Related threats

- [Adobe Photoshop out-of-bounds read in memory access](https://junglewise.ai/threats/cve-2026-118200-photoshop-desktop-is-affected-by-an-out-of-bounds-read)
- [Adobe Photoshop out-of-bounds read in CWE-125](https://junglewise.ai/threats/cve-2026-118199-photoshop-desktop-is-affected-by-an-out-of-bounds-read)
- [Adobe Photoshop NULL pointer dereference denial-of-service](https://junglewise.ai/threats/cve-2026-118198-photoshop-desktop-is-affected-by-a-null-pointer-dereference)
- [Adobe Photoshop use-after-free memory corruption](https://junglewise.ai/threats/cve-2026-117546-photoshop-desktop-is-affected-by-a-use-after-free-vulnerability)
- [Adobe Photoshop heap-based buffer overflow in file parsing](https://junglewise.ai/threats/cve-2026-116480-photoshop-desktop-is-affected-by-a-heap-based-buffer-overflow)