# CVE-2023-21608: Adobe Acrobat and Reader Use-After-Free Vulnerability

CVE-2023-21608 is fixed in 2 products on 1 platform, first by Adobe Acrobat Reader DC 22.003.20310, released December 24, 2022. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on October 10, 2023. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2023-21608
- Priority: Patch now
- CVSS: 7.8
- EPSS: 0.5943
- CISA KEV: listed Oct 10, 2023, federal due date Oct 31, 2023
- Exploited (vendor report): yes
- Publicly disclosed: no
- Published: Jan 18, 2023
- Weakness: CWE-416: Use After Free (CWE-416)
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-21608

## Description

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free 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 | 22.003.20310 | [Adobe Acrobat Reader DC 22.003.20310](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.32-bit-22.003.20310.md) | Dec 24, 2022 |
| Windows apps | Adobe Acrobat Reader DC (64-bit) | 22.003.20310 | [Adobe Acrobat Reader DC (64-bit) 22.003.20310](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.64-bit-22.003.20310.md) | Dec 24, 2022 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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