CVE-2026-120002: Microsoft Office SharePoint privilege escalation

CVE-2026-120002 · Severity: critical · CVSS 9.9 · Published 2026-11-10

Microsoft Office SharePoint is a document management and collaboration platform used widely in enterprises. An authorization flaw allows an attacker with valid credentials to gain elevated privileges and access systems or data beyond their intended permissions. This could lead to unauthorized access to sensitive business information or system compromise.

Technologies: Microsoft Office SharePoint. Vendors: Microsoft.

Quick answers

Is CVE-2026-120002 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-120002 being exploited in the wild.
How severe is CVE-2026-120002?
Critical severity, with a CVSS score of 9.9, published 10 November 2026.
Which products and versions are affected?
Microsoft Office SharePoint.
Is there a fix for CVE-2026-120002?
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-2026-120002 attacked?
It is attacked over the network.
Am I affected by CVE-2026-120002?
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

An incorrect authorization check in SharePoint permits privilege escalation when an authenticated attacker makes requests over the network. The vulnerability does not require additional user interaction and allows an attacker to bypass access controls to obtain higher-level permissions.

Affected products

  • Microsoft Office SharePoint

Timeline

  • 2026-11-10: advisory

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.