CVE-2022-41040
Microsoft Exchange Server Server-Side Request Forgery Vulnerability
Microsoft · Exchange Server
Vulnerability details
Microsoft Exchange Server allows for server-side request forgery. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41082 which allows for 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