# CVE-2026-110045: Microsoft Office SharePoint cross-site scripting

Source: https://junglewise.ai/threats/cve-2026-110045-improper-neutralization-of-input-during-web-page-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-110045 · Severity: high · CVSS 7.3 · Published 2026-11-10

Microsoft Office SharePoint is a collaboration platform used to manage documents and content in enterprise environments. A reflected cross-site scripting (XSS) vulnerability allows an authorized attacker to inject malicious scripts that execute in other users' browsers, enabling account takeover, credential theft, or unauthorized data access.

Technologies: [Microsoft Office SharePoint](https://junglewise.ai/threats/technologies/office-sharepoint). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## 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

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-110045](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-110045)

## Related threats

- [Microsoft Office SharePoint privilege escalation via missing authorization](https://junglewise.ai/threats/cve-2026-88176-missing-authorization-in-microsoft-office-sharepoint-allows-an)
- [Microsoft Office SharePoint XSS privilege escalation](https://junglewise.ai/threats/cve-2026-80095-improper-neutralization-of-input-during-web-page-generation-cross)
- [Microsoft Office SharePoint server-side request forgery](https://junglewise.ai/threats/cve-2026-124210-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint)
- [Microsoft Office SharePoint privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-123391-incorrect-authorization-in-microsoft-office-sharepoint-allows-an)
- [Microsoft Office SharePoint deserialization of untrusted data](https://junglewise.ai/threats/cve-2026-123390-deserialization-of-untrusted-data-in-microsoft-office-sharepoint)