CVE-2026-45503
EUVD-2026-3567909.06.2026, 17:17
Improper authorization in Microsoft Exchange Server allows an authorized attacker to disclose information over a network.
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| microsoft | exchange_server | 𝑥 < 15.02.2562.043 |
| microsoft | exchange_server | 15.1.0.0 ≤ 𝑥 < 15.1.2507.71 |
| microsoft | exchange_server | 15.2.0.0 ≤ 𝑥 < 15.2.1748.48 |
| microsoft | exchange_server | 15.2.0.0 ≤ 𝑥 < 15.2.1544.43 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-285 - Improper AuthorizationThe software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-918 - Server-Side Request Forgery (SSRF)The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.