VULNERABILITY INTELLIGENCE
CVE-2026-45503
CVSS score8.1 HIGH
EPSS probability0.45%
CISA KEVNot currently listed
Published2026-06-09
Last modified2026-07-28
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C
Description
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Weakness classification
- CWE-285: Improper Authorization
- CWE-918: Server-Side Request Forgery (SSRF)
Primary references
- secure@microsoft.com — Vendor Advisory