High [CVE-2026-97783] Microsoft Office SharePoint Spoofing Vulnerability
This high-severity Microsoft Server advisory covers CVE-2026-97783 affecting Microsoft SharePoint Server 2019, Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server Subscription Edition.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
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.
Affected product named by the advisory: Microsoft SharePoint Server 2019.
Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server Subscription Edition.
Is CVE-2026-97783 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2026-97783 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2026-97783?
The advisory VulniPulse tracks names no fixed release. Follow Microsoft's guidance for workarounds and updates.
Confirm against the vendor advisory before you patch.
- Microsoft SharePoint Server 2019 -
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That does not mean no fix exists. Read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 24 days ago·verify at source
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