CVE-2026-45502CWE-918

Microsoft Exchange Server Information Disclosure Vulnerability

Medium · published June 9, 2026

CVSS v3.1
5.0
EPSS
1%
Percentile
50.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.0 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00642 · 50.1th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-06-09T17:04Z
EPSS history
Timeline
  • 25 SEP 03:26Z
    EPSS moved 20% → 1%
    epss
  • 09 JUN 17:04Z
    Microsoft Exchange Server Information Disclosure Vulnerability
    cvelistv5