CVE-2026-55051

MEDIUM

Microsoft SharePoint Server Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft SharePoint Server Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55051

Scores

CVSS v3 6.5
EPSS 0.0063
EPSS Percentile 46.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (6)
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5561.1001
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20175
Microsoft/Microsoft SharePoint Server Subscription Edition 16.0.0 - 16.0.19725.20434
microsoft/sharepoint_server 2016
microsoft/sharepoint_server 2019
microsoft/sharepoint_server < 16.0.19725.20434
Published Jul 14, 2026
Tracked Since Jul 14, 2026