SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-32021

Windows SMB Witness Service Security Feature Bypass Vulnerability

HIGH 7.1EPSS 1.20%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Windows SMB Witness Service Security Feature Bypass Vulnerability

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
EPSS
1.20% probability · 66th percentile
CISA KEV
Not listed
Affected
microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
Source
secure@microsoft.com

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