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UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2021-34473

Microsoft Exchange Server Remote Code Execution Vulnerability

Published
2021-11-03
Modified
2026-07-31
Sources
cisa-kev

Summary

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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