# CVE-2023-26369: Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability

Source: https://junglewise.ai/threats/cve-2023-26369-adobe-acrobat-and-reader-out-of-bounds-write-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-09-14. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2023-26369 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-09-14

Adobe Acrobat and Reader are affected by an out-of-bounds write vulnerability that can lead to arbitrary code execution. Exploitation requires a victim to open a specially crafted malicious file, allowing code execution in the context of the current user.

Technologies: [Adobe Acrobat](https://junglewise.ai/threats/technologies/acrobat), [Adobe AIR](https://junglewise.ai/threats/technologies/air), [Adobe Flash Player](https://junglewise.ai/threats/technologies/flash-player), [Adobe Reader](https://junglewise.ai/threats/technologies/reader). Vendors: [Adobe](https://junglewise.ai/threats/vendors/adobe).

## Quick answers

**Is CVE-2023-26369 exploited in the wild?** Yes. CVE-2023-26369 is known to be exploited in the wild, first recorded on 14 September 2023. Treat it as urgent.

**How severe is CVE-2023-26369?** Critical severity, with a CVSS score of 7.8, published 14 September 2023.

**Which products and versions are affected?** Adobe Acrobat Reader 23.003.20284 (and earlier), 20.005.30516 (and earlier), 20.005.30514 (and earlier); Adobe Acrobat DC versions from 15.007.20033 up to 23.006.20320.

**Is there a fix for CVE-2023-26369?** 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-2023-26369 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2023-26369?** Check whether you run Adobe Acrobat, Adobe AIR, Adobe Flash Player or one of the others listed. 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.

## Affected products

- Adobe Acrobat Reader 23.003.20284 (and earlier), 20.005.30516 (and earlier), 20.005.30514 (and earlier)
- Adobe Acrobat DC versions from 15.007.20033 up to 23.006.20320

## Timeline

- 2023-09-13: disclosed
- 2023-09-14: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-09-14: advisory

## Related threats

- [Adobe Acrobat Reader denial-of-service via uncontrolled resource consumption](https://junglewise.ai/threats/cve-2026-82001-adobe-acrobat-reader-denial-of-service-via-uncontrolled-resource)
- [Adobe Acrobat Reader privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-81996-adobe-acrobat-reader-privilege-escalation-via-incorrect)
- [Adobe Acrobat Reader prototype pollution arbitrary file read](https://junglewise.ai/threats/cve-2026-81994-adobe-acrobat-reader-prototype-pollution-arbitrary-file-read)
- [Adobe Acrobat Reader heap buffer overflow in PDF parsing](https://junglewise.ai/threats/cve-2026-81993-adobe-acrobat-reader-heap-buffer-overflow-in-pdf-parsing)
- [Adobe Acrobat Reader heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-81992-adobe-acrobat-reader-heap-based-buffer-overflow)