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

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 13, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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

• cpe microsoft/sharepoint server2019
• microsoft Microsoft SharePoint Server 2019version unspecified

Sources

• CVE.orgVulnerability recordCVE-2026-97783

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-97783

  30-day exploitation probability 0.4%

  first.org
• Microsoft Security Update GuideVendor advisoryCVE-2026-97783

  Microsoft SharePoint Server 2019

  msrc.microsoft.com
• NIST NVDVulnerability recordCVE-2026-97783

  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.

  nvd.nist.gov

References

• Vendor Advisory · msrc.microsoft.com