CVE-2026-26105

HIGH

Microsoft SharePoint Server - Cross-Site Scripting

Title source: llm
STIX 2.1

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0007
EPSS Percentile 21.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (6)
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5543.1000
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20102
Microsoft/Microsoft SharePoint Server Subscription Edition 16.0.0 - 16.0.19725.20076
microsoft/sharepoint_server 2016
microsoft/sharepoint_server 2019
microsoft/sharepoint_server < 16.0.19725.20076
Published Mar 10, 2026
Tracked Since Mar 11, 2026