CVE-2021-26855 · Sandworm Watch

Nov 3, 2021high

CVE-2021-26855: Microsoft Exchange Server Remote Code Execution Vulnerability

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. Required action: Apply updates per vendor instructions.

CVE-2021-26855EPSS 100.0%Exchange ServerMicrosoft

CISA KEV ↗ · unattributed attribution