Microsoft Security Response Center guidance
Vendor revision: Oct 21, 2026Install KB5002883. Install KB5002891. Install KB5002882.
Vendor-listed releases
- 16.0.10417.20175
- 16.0.5561.1001
- 16.0.19725.20434
Vulnerability intelligence
CVE-2026-97783 and is rated Medium severity with a CVSS score of 6.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Install KB5002883. Install KB5002891. Install KB5002882.
Vendor-listed releases
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.
Source: NVD