September 30, 2022 · Applied Cybernetics Group
CVE-2022-41082 — Microsoft Exchange Server
known ransomware use
Microsoft Exchange Server Remote Code Execution Vulnerability
- Added to KEV
2022-09-30- Federal due date
2022-10-21- Vendor
- Microsoft
- Product
- Exchange Server
- EPSS
- 100.0th percentile (score 1.000, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1059.001 , T1078 , T1087 , T1482 , T1505.003 , T1567 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-41082
CISA short description
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.
Required action
Apply updates per vendor instructions.