CVE-2021-27078
critical
Microsoft CVSS v3 Base Score
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score
18.3%
Exploitation probability in 30 days
Top 3% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: March 3, 2021 (2015 days ago)
Last Modified: August 19, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CWE
NVD-CWE-noinfoAffected Products
microsoft exchange server