CVE-2021-34450
High
Published: 16 July 2021
Published
16 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
8.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
0.0223
84.9th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-34450 is a high-severity an unspecified weakness vulnerability in Microsoft Windows 10. Its CVSS base score is 8.5 (High).
Operationally, ranked in the top 15.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-21105
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
1809, 1909, 2004, 20h2, 21h1
microsoft
windows server 2016
2004, 20h2
microsoft
windows server 2019
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.