CVE-2021-31977

high-risk
Published 2021-06-08

Windows Hyper-V Denial of Service Vulnerability

Do I need to act?

~
6.1% 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 8.6/10 High
NETWORK / LOW complexity

Affected Vendors

55
/ 100
high-risk
Severity 29/34 · Critical
Exploitability 9/34 · Low
Exposure 17/34 · Moderate