Quick answers
- Is CVE-2026-110045 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-110045 being exploited in the wild.
- How severe is CVE-2026-110045?
- High severity, with a CVSS score of 7.3, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Office SharePoint.
- Is there a fix for CVE-2026-110045?
- 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-2026-110045 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-110045?
- Check whether you run Microsoft Office SharePoint. 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
The vulnerability is an improper input neutralization flaw in SharePoint's web page generation, classified as CWE-79 (Cross-site Scripting). An authorized attacker can inject malicious input through web parameters that are rendered without adequate sanitization, allowing arbitrary JavaScript execution in the context of other users' sessions. The attack requires network access and an authenticated user account.
Affected products
- Microsoft Office SharePoint
Timeline
- 2026-11-10: disclosed