Quick answers
- Is CVE-2026-109495 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109495 being exploited in the wild.
- How severe is CVE-2026-109495?
- Medium severity, with a CVSS score of 6.6, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Office SharePoint.
- Is there a fix for CVE-2026-109495?
- 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-2026-109495 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-109495?
- 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
A missing authorization check in Microsoft Office SharePoint permits privilege escalation when an authenticated user makes crafted requests over the network. The vulnerability requires that the attacker already possess valid credentials, but does not require user interaction. A successful exploit grants the attacker elevated permissions within the SharePoint environment.
Affected products
- Microsoft Office SharePoint
Timeline
- 2026-11-10: disclosed