# KB5002843: March 2026 security update

KB5002843, released March 10, 2026, fixes 3 CVEs in Microsoft SharePoint Server Subscription Edition. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb5002843
- Platform: Microsoft
- Released: Mar 10, 2026
- Priority: Urgent (Closes CVE-2026-26113, rated Critical)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5002843

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft SharePoint Server Subscription Edition](https://patchblox.com/security/data/product/microsoft/microsoft-sharepoint-server-subscription-edition.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-26113](https://patchblox.com/security/data/cve/CVE-2026-26113.md) | Urgent | Microsoft Office | 8.4 | 0.0061 |  |
| [CVE-2026-26106](https://patchblox.com/security/data/cve/CVE-2026-26106.md) | High | Microsoft Office SharePoint | 8.8 | 0.0158 |  |
| [CVE-2026-26105](https://patchblox.com/security/data/cve/CVE-2026-26105.md) | High | Microsoft Office SharePoint | 8.1 | 0.0130 |  |

---

Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo