# KB5050673: August 2025 security update

KB5050673, released August 12, 2025, fixes 1 CVE in Microsoft Exchange Server 2019 Cumulative Update 14. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb5050673
- Platform: Microsoft
- Released: Aug 12, 2025
- Priority: Urgent (Closes CVE-2025-53786, exploitation more likely)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5050673

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Exchange Server 2019 Cumulative Update 14](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2019-cumulative-update-14.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-53786](https://patchblox.com/security/data/cve/CVE-2025-53786.md) | Urgent | Microsoft Exchange Server | 8.0 | 0.0759 | More likely |

---

Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.