CVE-2026-69375

MEDIUM CVSS 3.1: 6.5 EPSS 0.66%
Updated Sep 11, 2026
Microsoft
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-639 (Authorization Bypass)
Vendor Microsoft
Public PoC No

Authorization bypass through user-controlled key in Microsoft Exchange Server allows an authorized attacker to perform tampering over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)