CVE-2022-41040
CISA KEVPublished September 30, 2022 · Updated April 3, 2026
high
Official Description+
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.
Affected Products
| Vendor | Product |
|---|---|
| Microsoft | Exchange Server |
Patch Status
Patch by 2022-10-21
Recommended Actions
- Check if your systems use any of the affected products listed above.
- Apply vendor patches immediately if available.
- This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
- Monitor vendor advisories for updates and additional mitigations.
- Review logs for indicators of compromise related to CVE-2022-41040.