VDB
CVE-2026-55052
CVE-2026-55052
PUBLISHED
CVSS 8.8 HIGH
Reported by microsoft · Published July 14, 2026
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Risk Scores
CVSS 3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 |
| microsoft | sharepoint_server | 16.0.0, 16.0.0, 16.0.0 |
| microsoft | sharepoint_server_2016 | 16.0.0, 16.0.0, 16.0.0 |
| microsoft | sharepoint_server_2019 | 16.0.0, 16.0.0, 16.0.0 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 | 16.0.0, 16.0.0, 16.0.0 |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0, 16.0.0, 16.0.0 |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0, 16.0.0, 16.0.0 |
Timeline
- Jul 14, 2026 CVE Published
- Jul 15, 2026 Coalition ESS Score
- Jul 15, 2026 Security Advisory
- Jul 15, 2026 CVE Updated
- Jul 16, 2026 Security Advisory
References
- Microsoft SharePoint Elevation of Privilege Vulnerability vendor-advisorypatch