Vulnerability intelligence

CVE-2026-45504

Microsoft Microsoft Exchange Server 2016 Cumulative Update 23 CWE-918

Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVSS Score

8.8

High

EPSS — Exploit Probability

0.8%

Riskier than 54% of all CVEs · checked 2026-09-29

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

Patch available

Vendor fix published

1 article across 1 outlet · first covered Jul 3, 2026 · latest Jul 3, 2026

Coverage timeline