# PuTTY CAC 0.84.0.0

PuTTY CAC 0.84.0.0, released May 25, 2026, fixes 3 CVEs in PuTTY CAC. None of them is reported as exploited. Patch Radar priority: Routine. The latest PuTTY CAC is 0.85.2.0, which also fixes every one of these CVEs.

- Web page: https://patchblox.com/security/fix/windows-app/nomorefood.putty-cac-0.84.0.0
- Platform: Windows apps
- Released: May 25, 2026
- Priority: Routine (Closes 3 CVEs, none high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Superseded by: [PuTTY CAC 0.85.2.0](https://patchblox.com/security/data/product/windows-app/putty-cac.md), the latest version, which also fixes every CVE listed here

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [PuTTY CAC](https://patchblox.com/security/data/product/windows-app/putty-cac.md) |  | 0.84.0.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-48850](https://patchblox.com/security/data/cve/CVE-2026-48850.md) | Routine | PuTTY and 1 other: Double Free | 5.9 | 0.0032 |  |
| [CVE-2026-48852](https://patchblox.com/security/data/cve/CVE-2026-48852.md) | Routine | PuTTY and 1 other: Reachable Assertion | 3.7 | 0.0028 |  |
| [CVE-2026-48851](https://patchblox.com/security/data/cve/CVE-2026-48851.md) | Routine | PuTTY CAC and 1 other: User Interface (UI) Misrepresentation of Critical Information | 3.1 | 0.0022 |  |

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Data as of 2026-11-13T01:58:51Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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