SOURCE FACT
Microsoft · Exchange Server
Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA notes
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-31196; https://nvd.nist.gov/vuln/detail/CVE-2021-31196
View source evidence →