SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-26854

Microsoft Exchange Server Remote Code Execution Vulnerability

MEDIUM 6.6EPSS 23.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 23.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS 3.1
6.6 MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
22.99% probability · 98th percentile
CISA KEV
Not listed
Affected
microsoft/exchange server
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.