cbcvebase.
CVE-2026-20959
published 2026-01-13

CVE-2026-20959: Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform…

medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
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.

Affected

9 ranges
VendorProductVersion rangeFixed in
microsoftmicrosoft_sharepoint_enterprise_server_2016>= 16.0.0 < 16.0.5535.100116.0.5535.1001
microsoftmicrosoft_sharepoint_server_2019>= 16.0.0 < 16.0.10417.2008316.0.10417.20083
microsoftmicrosoft_sharepoint_server_subscription_edition>= 16.0.0 < 16.0.19127.2044216.0.19127.20442
microsoftsharepoint_server< 16.0.19127.2044216.0.19127.20442
microsoftsharepoint_server
microsoftsharepoint_server
msrcmicrosoft_sharepoint_enterprise_server_2016
msrcmicrosoft_sharepoint_server_2019
msrcmicrosoft_sharepoint_server_subscription_edition