# Adobe Acrobat Reader DC 21.007.20099

Adobe Acrobat Reader DC 21.007.20099, released October 5, 2021, fixes 4 CVEs in Adobe Acrobat Reader DC. None of them is reported as exploited. Patch Radar priority: High. The latest Adobe Acrobat Reader DC is 26.002.22031, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-21.007.20099
- Platform: Windows apps
- Released: Oct 5, 2021
- Priority: High (Closes CVE-2021-40728, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Superseded by: [Adobe Acrobat Reader DC 26.002.22031](https://patchblox.com/security/data/product/windows-app/adobe-acrobat-reader-dc.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Adobe Acrobat Reader DC](https://patchblox.com/security/data/product/windows-app/adobe-acrobat-reader-dc.md) |  | 21.007.20099 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-40728](https://patchblox.com/security/data/cve/CVE-2021-40728.md) | High | Adobe Acrobat Reader DC Use After Free Arbitrary Code Execution | 7.8 | 0.5463 |  |
| [CVE-2021-40731](https://patchblox.com/security/data/cve/CVE-2021-40731.md) | High | Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability | 7.8 | 0.0826 |  |
| [CVE-2021-40729](https://patchblox.com/security/data/cve/CVE-2021-40729.md) | Routine | Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure | 3.3 | 0.0428 |  |
| [CVE-2021-40730](https://patchblox.com/security/data/cve/CVE-2021-40730.md) | Routine | Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability | 3.3 | 0.0390 |  |

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Data as of 2026-11-11T13:47:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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