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CVE-2022-41040: Microsoft Exchange Server Server-Side Request Forgery Vulnerability
Microsoft Exchange Server · in CISA KEV since 2022-09-30
2022-09-30added to KEV
2022-10-21federal remediation due date
99.96%EPSS exploit probability (30 days) 100.0th percentile
8.8 HIGHCVSS 3.1
Knownknown ransomware use
-3days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-918 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2022-10-03 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2022-41040.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.