CVE-2026-105719: Microsoft Office SharePoint input validation information disclosure

CVE-2026-105719 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Microsoft Office SharePoint contains an input validation flaw that allows authorized users to disclose information over the network. An attacker with valid access to SharePoint could extract sensitive data without further privileges or user interaction, potentially exposing corporate documents or confidential information.

Technologies: Microsoft Office SharePoint, Microsoft SharePoint Server. Vendors: Microsoft.

Quick answers

Is CVE-2026-105719 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-105719 being exploited in the wild.
How severe is CVE-2026-105719?
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-2026-105719?
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-2026-105719 attacked?
It is attacked over the network.
Am I affected by CVE-2026-105719?
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

The vulnerability is an improper input validation issue in SharePoint that enables information disclosure. It requires network access and prior authentication, meaning only authenticated attackers can exploit it. The flaw allows data exposure but not modification, denial of service, or code execution.

Affected products

  • Microsoft Office SharePoint

Timeline

  • 2026-10-13: disclosed

References

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