Quick answers
- Is CVE-2026-102862 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-102862 being exploited in the wild.
- How severe is CVE-2026-102862?
- High severity, with a CVSS score of 8.8, published 13 October 2026.
- Which products and versions are affected?
- Microsoft SharePoint <UNKNOWN>.
- Is there a fix for CVE-2026-102862?
- 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-2026-102862 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-102862?
- Check whether you run Microsoft SharePoint or Microsoft SharePoint Server at an affected version. 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 Microsoft SharePoint permits an authenticated network attacker to escalate privileges through a flaw in access control validation. The vulnerability requires valid authentication credentials and network access to the SharePoint instance. A successful exploit grants the attacker elevated permissions within the SharePoint environment.
Affected products
- Microsoft SharePoint <UNKNOWN>
Timeline
- 2026-10-13: disclosed