CVE-2026-56157

Published Jul 14, 2026

Last updated a day ago

Overview

Description
Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
sharepoint_server

Risk scores

CVSS 3.1

Type
Secondary
Base score
5.4
Impact score
2.5
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Severity
MEDIUM

Weaknesses

secure@microsoft.com
CWE-284

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.