CVE-2021-31196

High (7.2) in Microsoft Exchange Server. In CISA KEV since 2024-08-21. EPSS 54% chance of exploitation in the next 30 days.

EPSS

54% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)

CISA KEV

listed 2024-08-21, due 2024-09-11

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-2021-31196
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31196

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