Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability

Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.

Published 13 Jul 2026Updated 13 Jul 20262 sources
CVSS 0.0 △ CISA KEV

What happened

Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an unauthorized attacker to elevate privileges over a network.

Affected versions

SharePoint Server: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references

No public PoC reference has passed the current publication threshold.