# CVE-2026-109502: Microsoft Office SharePoint SSRF privilege elevation

Source: https://junglewise.ai/threats/cve-2026-109502-server-side-request-forgery-ssrf-in-microsoft-office-sharepoint  
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-2026-109502 · Severity: high · CVSS 8.8 · Published 2026-11-10

Microsoft SharePoint, a collaboration and document management platform used by many organizations, contains a server-side request forgery vulnerability. An authenticated attacker can exploit this flaw to make unauthorized requests and elevate their privileges within the system. This could lead to unauthorized access to sensitive documents, data manipulation, or administrative control of the SharePoint environment.

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

## Quick answers

**Is CVE-2026-109502 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-109502 being exploited in the wild.

**How severe is CVE-2026-109502?** High severity, with a CVSS score of 8.8, published 10 November 2026.

**Which products and versions are affected?** Microsoft Office SharePoint.

**Is there a fix for CVE-2026-109502?** 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-2026-109502 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-109502?** 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 a server-side request forgery (SSRF) flaw in Microsoft Office SharePoint that permits authenticated attackers to perform arbitrary requests from the server. An attacker with valid credentials can leverage this to bypass access controls and escalate privileges. A fix is available from Microsoft.

## Affected products

- Microsoft Office SharePoint

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109502](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109502)

## 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)