CVE-2026-45504

Published Jun 9, 2026

Last updated 2 days ago

Overview

Description
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Source
secure@microsoft.com
NVD status
Analyzed
Products
exchange_server, exchange_server_subscription_edition

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

secure@microsoft.com
CWE-918

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.