CVE-2021-31206

High (7.6) in microsoft exchange server. EPSS 13% chance of exploitation in the next 30 days.

EPSS

13% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)

Published

2021-07-14

Modified

2026-08-10

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:exchange_server

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31206
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31206
• https://www.zerodayinitiative.com/advisories/ZDI-21-826/

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