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Vulnerable Software

Vulnerability Details CVE-2026-20959

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 13.1%

CVSS Severity

CVSS v3 Score 4.6

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20959

Products affected by CVE-2026-20959

Microsoft » Sharepoint Server » Version: N/A

cpe:2.3:a:microsoft:sharepoint_server:-
Microsoft » Sharepoint Server » Version: 16.0.17328.20246

cpe:2.3:a:microsoft:sharepoint_server:16.0.17328.20246
Microsoft » Sharepoint Server » Version: 16.0.17328.20292

cpe:2.3:a:microsoft:sharepoint_server:16.0.17328.20292
Microsoft » Sharepoint Server » Version: 16.0.17328.20362

cpe:2.3:a:microsoft:sharepoint_server:16.0.17328.20362
Microsoft » Sharepoint Server » Version: 16.0.17928.20356

cpe:2.3:a:microsoft:sharepoint_server:16.0.17928.20356
Microsoft » Sharepoint Server » Version: 16.0.17928.20396

cpe:2.3:a:microsoft:sharepoint_server:16.0.17928.20396
Microsoft » Sharepoint Server » Version: 2016

cpe:2.3:a:microsoft:sharepoint_server:2016
Microsoft » Sharepoint Server » Version: 2019

cpe:2.3:a:microsoft:sharepoint_server:2019

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-20959

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