CVE-2022-41082
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft · Exchange Server
Vulnerability details
Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.
Added to CISA KEV: 2022-09-30
Ransomware campaign use: Known
CISA due date: 2022-10-21
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC