CVE-2026-20959

medium Microsoft
CVSS v3 Base Score
4.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Published: January 13, 2026
Last Modified: January 14, 2026
Vendor: Microsoft

Description

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.

CWE

CWE-79

Affected Products

microsoft sharepoint server

References

🔗 msrc.microsoft.com