CVE-2021-26427

critical

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

References

https://www.tenable.com/blog/microsoft-s-october-2021-patch-tuesday-addresses-74-cves-cve-2021-40449

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427

Details

Source: Mitre, NVD

Published: 2021-10-13

Updated: 2023-08-01

Risk Information

CVSS v2

Base Score: 5.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9

Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00856