# CVE-2026-48337: Adobe Illustrator out-of-bounds write in file processing

Source: https://junglewise.ai/threats/cve-2026-48337-adobe-illustrator-out-of-bounds-write-in-file-processing  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-14. Updated: 2026-07-14  
License: CC BY 4.0 with a link back

CVE-2026-48337 · Severity: high · CVSS 7.8 · Published 2026-07-14

Adobe Illustrator, a widely used professional graphic design application, is affected by a security flaw that could allow an attacker to take control of a user's computer. To exploit this, an attacker must trick a user into opening a specially crafted malicious file. Successful exploitation could lead to unauthorized data access, system changes, or the installation of malicious software in the context of the logged-in user.

Technologies: [Adobe Illustrator](https://junglewise.ai/threats/technologies/illustrator). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2026-48337 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-48337 being exploited in the wild.

**How severe is CVE-2026-48337?** High severity, with a CVSS score of 7.8, published 14 July 2026.

**Which products and versions are affected?** Adobe Illustrator <= 30.5.

**Is there a fix for CVE-2026-48337?** 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-2026-48337 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-48337?** Check whether you run Adobe Illustrator 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.

## Technical details

An out-of-bounds write vulnerability (CWE-787) exists in Adobe Illustrator Desktop 2025 and 2026. The flaw is triggered when the application processes a malformed file, leading to memory corruption. An attacker can exploit this by convincing a victim to open a malicious file, potentially achieving arbitrary code execution within the security context of the current user. The vulnerability is addressed in Illustrator Desktop 2026 version 30.6 and Illustrator Desktop 2025 version 29.8.9.

## Affected products

- Adobe Illustrator Desktop 2026 <= 30.5
- Adobe Illustrator Desktop 2025 <= 29.8.7

## Timeline

- 2026-07-14: advisory
- 2026-07-14: disclosed

## References

- [https://helpx.adobe.com/security/products/illustrator/apsb26-79.html](https://helpx.adobe.com/security/products/illustrator/apsb26-79.html)

## Related threats

- [Adobe Illustrator out-of-bounds write vulnerability](https://junglewise.ai/threats/cve-2026-75992-adobe-illustrator-out-of-bounds-write-vulnerability)
- [Adobe Illustrator improper input validation in file parsing](https://junglewise.ai/threats/cve-2026-75991-adobe-illustrator-improper-input-validation-in-file-parsing)
- [Adobe Illustrator incorrect authorization arbitrary code execution](https://junglewise.ai/threats/cve-2026-75990-adobe-illustrator-incorrect-authorization-arbitrary-code)
- [Adobe Illustrator out-of-bounds read in file parsing](https://junglewise.ai/threats/cve-2026-71441-adobe-illustrator-out-of-bounds-read-in-file-parsing)
- [Adobe Illustrator out-of-bounds write in file processing](https://junglewise.ai/threats/cve-2026-48336-adobe-illustrator-out-of-bounds-write-in-file-processing)