Quick answers
- Is CVE-2026-97783 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-97783 being exploited in the wild.
- How severe is CVE-2026-97783?
- High severity, with a CVSS score of 8.1, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Office SharePoint.
- Is there a fix for CVE-2026-97783?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-97783 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-97783?
- Check whether you run Microsoft Office SharePoint or Microsoft SharePoint Server. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A failure to properly sanitize user input during web page generation in SharePoint permits stored or reflected XSS attacks over a network. An attacker can craft malicious input that, when rendered in a victim's browser, executes arbitrary JavaScript with the privileges of the authenticated user, potentially leading to session hijacking or data exfiltration.
Affected products
- Microsoft Office SharePoint
Timeline
- 2026-10-13: disclosed