# CVE-2026-102865: Microsoft Office SharePoint incorrect authorization

Source: https://junglewise.ai/threats/cve-2026-102865-incorrect-authorization-in-microsoft-office-sharepoint-allows-an  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-13. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-102865 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Microsoft Office SharePoint has an authorization flaw that allows an authenticated attacker to access and disclose information they should not be able to view. An attacker with valid credentials can exploit this over the network to view sensitive data stored in SharePoint.

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

## Quick answers

**Is CVE-2026-102865 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102865 being exploited in the wild.

**How severe is CVE-2026-102865?** Medium severity, with a CVSS score of 6.5, published 13 October 2026.

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

**Is there a fix for CVE-2026-102865?** 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-2026-102865 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-102865?** 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

Incorrect authorization logic in Microsoft Office SharePoint fails to properly validate user permissions, allowing an authenticated network attacker to read sensitive information. The vulnerability requires a valid user account and network access to the SharePoint instance. No public exploit code or active exploitation has been reported.

## Affected products

- Microsoft Office SharePoint

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102865](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102865)

## 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)