Cyber Resilience

CVE-2021-28476

CriticalPublic PoC

Published: 11 May 2021

Published
11 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.5515 98.1th percentile
Risk Priority 53 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28476 is a critical-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 9.9 (Critical).

Operationally, ranked in the top 1.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Windows Hyper-V Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10
1607, 1803, 1809, 1909, 2004
microsoft
windows 7
all versions
microsoft
windows 8.1
all versions
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
microsoft
windows server 2016
1909, 2004, 20h2, all versions
microsoft
windows server 2019
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References