Vulnerability in Microsoft Windows 10
CVE-2021-42284
Windows Hyper-V Denial of Service Vulnerability
EPSS: 0.034 (87.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 1607
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows_11
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows 8.1 — versions 6.3.0
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-42284?
- CVE-2021-42284 is a medium-severity vulnerability in Microsoft Windows 10. CVSS score: 6.8/10. Published 2021-11-10.
- How severe is CVE-2021-42284?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-42284 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.