CVE-2026-45502

CVE-2026-45502

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

Vulnerability class: SSRF (Server-Side Request Forgery)

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

secure@microsoft.com

Frequently asked questions

What is CVE-2026-45502?: CVE-2026-45502 is a medium-severity vulnerability, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.0/10. Published 2026-06-09.
How severe is CVE-2026-45502?: Medium severity. CVSS v3 base score is 5.0 out of 10.