CVE-2023-21549

high-risk
Published 2023-01-10

Windows SMB Witness Service Elevation of Privilege Vulnerability

Do I need to act?

~
7.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Vendors

60
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 9/34 · Low
Exposure 21/34 · High