Patch Forecast
Amber warning
Patch this week.

CVE-2026-88198

Microsoft Sharepoint Server: missing authorisation

Risk score
73/100
CVSS
8.8 v3.1
Exploit chance (30 days)
0.7%
Published
13 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Affected
Microsoft Sharepoint Server
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 8.8 high
  • On your watchlist: sharepoint

References

Original description

Missing authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.

Last activity 13 Oct 2026. Patch Forecast updates every hour.