CVE-2021-26857

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. Vendor/Product: Microsoft Exchange Server. Added to CISA KEV 2021-11-03; required action: Apply updates per vendor instructions.

Category: Vulnerability, Known Exploited

Reference: NVD CVE-2021-26857