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High severity8.8NVD Advisory· Published Jul 14, 2026· Updated Jul 16, 2026

CVE-2026-55052

CVE-2026-55052

Description

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Affected products

4

Microsoft/Sharepoint Serverllm-create4 versions
(expand)+ 3 more
- (no CPE)
- cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*range: <16.0.19725.20434
- cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55052nvdPatchVendor Advisory

News mentions

0

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