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Known exploited vulnerability · Microsoft

CVE-2021-31196: Microsoft Exchange Server Information Disclosure Vulnerability

highCVSS 3.1 7.2Exploited

Microsoft Exchange Server Remote Code Execution Vulnerability

Published Jul 14, 2021 · Updated Aug 10, 2026

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

Microsoft Exchange Server Remote Code Execution Vulnerability

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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