What is CVE-2026-97783?

CVE-2026-97783 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Office SharePoint Spoofing Vulnerability

Which CVE IDs does CVE-2026-97783 cover?

CVE-2026-97783 covers the following CVE IDs: CVE-2026-97783. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-97783?

CVE-2026-97783 has a CVSS v3 base score of 8.1, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-97783?

CVE-2026-97783 affects 1 product, including: Microsoft SharePoint Server 2019.

CVE-2026-97783HighCVSS 8.1

Microsoft Office SharePoint Spoofing Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

October 13, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-97783 →

📋 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.

🎯 Affected products1

Microsoft SharePoint Server 2019

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97783