CVE-2026-64897: Microsoft SharePoint Server Spoofing Vulnerability
Published Aug 11, 2026
·Updated
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.
Other sources
Microsoft SharePoint Server Spoofing Vulnerability
— Microsoft
Affected Software
6 affected componentsFixes available
Microsoft SharePoint Server Subscription Edition<16.0.19725.20522
16.0.19725.20522
Microsoft SharePoint Server 2019<16.0.10417.20198
16.0.10417.20198
Microsoft SharePoint Enterprise Server 2016<16.0.5565.1001
16.0.5565.1001
Microsoft SharePoint Server<16.0.19725.20522
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019
Remediation
Event History
Aug 11, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:06 PM
Data Sourced
via MITRE·05:06 PM
DescriptionSeverity
Data Sourced
via NVD·05:18 PM
RemedyDescriptionSeverityWeaknessAffected Software