CVE-2023-21709
critical
Microsoft CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
2.1%
Exploitation probability in 30 days
Top 20% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: August 8, 2023 (1126 days ago)
Last Modified: August 10, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
CWE
CWE-307Affected Products
microsoft exchange server