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

CVE-2023-26369 is fixed in 2 products on 1 platform, first by Adobe Acrobat Reader DC 23.006.20320, released September 7, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on September 14, 2023. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2023-26369
- Priority: Patch now
- CVSS: 7.8
- EPSS: 0.0746
- CISA KEV: listed Sep 14, 2023, federal due date Oct 5, 2023
- Exploited (vendor report): yes
- Publicly disclosed: no
- Published: Sep 13, 2023
- Weakness: CWE-787: Out-of-bounds Write (CWE-787)
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-26369

## Description

Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Adobe Acrobat Reader DC | 23.006.20320 | [Adobe Acrobat Reader DC 23.006.20320](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.32-bit-23.006.20320.md) | Sep 7, 2023 |
| Windows apps | Adobe Acrobat Reader DC (64-bit) | 23.006.20320 | [Adobe Acrobat Reader DC (64-bit) 23.006.20320](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.64-bit-23.006.20320.md) | Sep 7, 2023 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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