CVE-2026-20959

medium

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.

References

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

Details

Source: Mitre, NVD

Published: 2026-01-13

Updated: 2026-01-14

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N