CVE-2026-58277
High
Description
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Microsoft Sharepoint Server
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-285CWE-285
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft sharepoint_server | 2016, 2019 | — |
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