CyberICT

CVE-2026-63520

Microsoft · Published August 11, 2026

CVSS v3.1

HIGH
Patch availableGet patch

Description

Microsoft SharePoint Server Remote Code Execution Vulnerability. Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Affected Products

  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Server 2019
  • Microsoft SharePoint Server Subscription Edition

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C