CVE-2026-34327

Published May 7, 2026

Last updated 2 months ago

Overview

Description
Externally controlled reference to a resource in another sphere in Microsoft Partner Center allows an unauthorized attacker to perform spoofing over a network.
Source
secure@microsoft.com
NVD status
Analyzed
CNA Tags
exclusively-hosted-service
Products
partner_center

Risk scores

CVSS 3.1

Type
Primary
Base score
8.2
Impact score
4.2
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-610

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.