# CVE-2025-29808: Windows Cryptographic Services Information Disclosure Vulnerability

CVE-2025-29808 is fixed in 2 products on 1 platform, first by KB5055526, released April 8, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-29808
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0051
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 8, 2025
- Weakness: Use of a Cryptographic Primitive with a Risky Implementation
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29808

## Description

<p>Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows Server 2022 | 20348.3453 | [KB5055526](https://patchblox.com/security/data/fix/microsoft/kb5055526.md) | Apr 8, 2025 |
| Microsoft | Windows Server 2022 (Server Core installation) | 20348.3453 | [KB5055526](https://patchblox.com/security/data/fix/microsoft/kb5055526.md) | Apr 8, 2025 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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