# KB5019758: November 2022 security update

KB5019758, released November 8, 2022, fixes 6 CVEs across 5 products. 3 of them are being exploited (CVE-2022-41082); 3 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb5019758
- Platform: Microsoft
- Released: Nov 8, 2022
- Priority: Patch now (Closes CVE-2022-41082, exploited (CISA KEV, ransomware))
- CVEs: 6, exploited: 3, on CISA KEV: 3
- Vendor advisory: https://support.microsoft.com/help/5019758

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Exchange Server 2013 Cumulative Update 23](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2013-cumulative-update-23.md) |  |  |
| [Microsoft Exchange Server 2016 Cumulative Update 22](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-22.md) |  |  |
| [Microsoft Exchange Server 2016 Cumulative Update 23](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-23.md) |  |  |
| [Microsoft Exchange Server 2019 Cumulative Update 11](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2019-cumulative-update-11.md) |  |  |
| [Microsoft Exchange Server 2019 Cumulative Update 12](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2019-cumulative-update-12.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-41082](https://patchblox.com/security/data/cve/CVE-2022-41082.md) | Patch now | Microsoft Exchange Server | 8.0 | 0.9997 | CISA KEV, Ransomware |
| [CVE-2022-41040](https://patchblox.com/security/data/cve/CVE-2022-41040.md) | Patch now | Microsoft Exchange Server | 8.8 | 0.9996 | CISA KEV, Ransomware |
| [CVE-2022-41080](https://patchblox.com/security/data/cve/CVE-2022-41080.md) | Patch now | Microsoft Exchange Server | 8.8 | 0.7733 | CISA KEV, Ransomware |
| [CVE-2022-41079](https://patchblox.com/security/data/cve/CVE-2022-41079.md) | Urgent | Microsoft Exchange Server | 8.0 | 0.0093 | More likely |
| [CVE-2022-41123](https://patchblox.com/security/data/cve/CVE-2022-41123.md) | Urgent | Microsoft Exchange Server | 7.8 | 0.0067 | More likely |
| [CVE-2022-41078](https://patchblox.com/security/data/cve/CVE-2022-41078.md) | High | Microsoft Exchange Server | 8.0 | 0.0093 |  |

---

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.