CVE-2022-41040
8.8HIGHMicrosoft Exchange Server Elevation of Privilege Vulnerability
Published: 10/3/2022Updated: 10/30/2025
CISA Known Exploited Vulnerability
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:
Apply updates per vendor instructions.
Due Date:
2022-10-21
Known Ransomware Use
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
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Affected Products
microsoftexchange_server
2013
microsoftexchange_server
2016
microsoftexchange_server
2016
microsoftexchange_server
2019
microsoftexchange_server
2019
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040PatchVendor Advisory
- http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.htmlExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41040MitigationPatchVendor Advisory
- https://www.kb.cert.org/vuls/id/915563Third Party AdvisoryUS Government Resource
- https://www.secpod.com/blog/microsoft-november-2022-patch-tuesday-patches-65-vulnerabilities-including-6-zero-days/Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41040US Government Resource