CVE-2026-45501CWE-918

Microsoft Exchange Server Spoofing Vulnerability

Medium · published June 9, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
38.7
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00457 · 38.7th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-06-09T17:04Z
EPSS history
Timeline
  • 09 JUN 17:04Z
    Microsoft Exchange Server Spoofing Vulnerability
    cvelistv5