CVE-2021-26858 Microsoft Exchange Server
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
- CVSS
- not scored
On CISA’s exploited list
Microsoft Exchange Server Remote Code Execution Vulnerability
- Added
- 2021-11-03
- Federal patch deadline
- 2022-05-03
- Ransomware use
- known