HIGH

CVE-2021-26857

Microsoft Exchange Server 2021-03-03 CVSS v3.1

CVSS

7.8

KEV

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Weakness (CWE)

CWE-502 Deserialization of Untrusted Data

EPSS Score

95.76%

Probability of exploitation in next 30 days

99.9th percentile

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26857 Patch, Vendor Advisory https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26857 Patch, Vendor Advisory https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26857 US Government Resource

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.