VULNERABILITY INTELLIGENCE

CVE-2026-50522

CVSS score9.8 CRITICAL
EPSS probability3.04%
CISA KEVKnown exploited vulnerability
Published2026-07-14
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Vendor / product: Microsoft / SharePoint

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Weakness classification

  • secure@microsoft.com: CWE-502

Primary references