VULNERABILITY INTELLIGENCE

CVE-2026-45659

CVSS score8.8 HIGH
EPSS probability80.24%
CISA KEVKnown exploited vulnerability
Published2026-05-22
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Known Exploited Vulnerability

Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability

Vendor / product: Microsoft / SharePoint Server

Description

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

Weakness classification

  • secure@microsoft.com: CWE-502

Primary references