Vulnerability in Microsoft Windows 10
CVE-2021-1691
Windows Hyper-V Denial of Service Vulnerability
EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 1909, 2004
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows_server_2016 — versions 20h2, 1909, 2004
- Microsoft Windows Server, Version 1909 (Server Core Installation) — versions 10.0.0
- Microsoft Windows Server Version 2004 — versions 10.0.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
References
- secure@microsoft.com (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-1691?
- CVE-2021-1691 is a high-severity vulnerability in Microsoft Windows 10. CVSS score: 7.7/10. Published 2021-01-12.
- How severe is CVE-2021-1691?
- High severity. CVSS v3 base score is 7.7 out of 10.