CVE-2026-69378

HIGH CVSS 3.1: 7.5 EPSS 1.20%
Updated Sep 09, 2026
Microsoft
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-674
Vendor Microsoft
Public PoC No

Uncontrolled recursion in Microsoft Exchange Server allows an unauthorized attacker to deny service over a network.

Attack Parameters

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

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Weakness Type (CWE)