msrc_CVE-2026-55021

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Microsoft SharePoint Server Spoofing Vulnerability

view advisory published 2026-07-14

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-55021UShigh8.7—
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network…
02

references

External citations — patches, advisories, analysis.

03

remediations (3)

scry

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