Microsoft: >> Exchange Server Security Vulnerabilities
On April 18th 2025, Microsoft announced Exchange Server Security Changes for Hybrid Deployments and accompanying non-security Hot Fix. Microsoft made these changes in the general interest of improving the security of hybrid Exchange deployments. Following further investigation, Microsoft identified specific security implications tied to the guidance and configuration steps outlined in the April announcement. Microsoft is issuing CVE-2025-53786 to document a vulnerability that is addressed by taking the steps documented with the April 18th announcement. Microsoft strongly recommends reading the information, installing the April 2025 (or later) Hot Fix and implementing the changes in your Exchange Server and hybrid environment.
CVSS Score
8.0
EPSS Score
0.001
Published
2025-08-06
Microsoft Exchange Server Spoofing Vulnerability
CVSS Score
7.5
EPSS Score
0.054
Published
2024-11-12
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Score
8.8
EPSS Score
0.027
Published
2024-03-12
CVE-2024-21410
Microsoft Exchange Server Elevation of Privilege Vulnerability
Known exploited
CVSS Score
9.8
EPSS Score
0.063
Published
2024-02-13
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Score
8.0
EPSS Score
0.006
Published
2023-11-14
Microsoft Exchange Server Spoofing Vulnerability
CVSS Score
8.0
EPSS Score
0.041
Published
2023-11-14
Microsoft Exchange Server Spoofing Vulnerability
CVSS Score
8.0
EPSS Score
0.041
Published
2023-11-14
Microsoft Exchange Server Spoofing Vulnerability
CVSS Score
8.0
EPSS Score
0.041
Published
2023-11-14
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Score
8.0
EPSS Score
0.014
Published
2023-10-10
Microsoft Exchange Server Information Disclosure Vulnerability
CVSS Score
5.7
EPSS Score
0.005
Published
2023-09-12