Vulnerability · Published Jan 12, 2021 · Assigned by microsoft

CVE-2021-1692Windows Hyper-V Denial of Service Vulnerability

High 7.7

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.2% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.1)7.7High

Exploit odds (30 days)4.2%top 8.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Windows Hyper-V Denial of Service Vulnerability

Affected products (as reported)

Vendor	Product	Versions
Microsoft	Windows Server version 20H2	10.0.0 – before publication
Microsoft	Windows 10 Version 1803	10.0.0 – before publication
Microsoft	Windows 10 Version 1809	10.0.0 – before publication
Microsoft	Windows Server 2019	10.0.0 – before publication
Microsoft	Windows Server 2019 (Server Core installation)	10.0.0 – before publication
Microsoft	Windows 10 Version 1909	10.0.0 – before publication
Microsoft	Windows Server, version 1909 (Server Core installation)	10.0.0 – before publication
Microsoft	Windows 10 Version 2004	10.0.0 – before publication
Microsoft	Windows Server version 2004	10.0.0 – before publication
Microsoft	Windows 10 Version 1507	10.0.0 – before publication
Microsoft	Windows 10 Version 1607	10.0.0 – before publication
Microsoft	Windows Server 2016	10.0.0 – before publication
Microsoft	Windows Server 2016 (Server Core installation)	10.0.0 – before publication
Microsoft	Windows 8.1	6.3.0 – before publication
Microsoft	Windows Server 2012 R2	6.3.0 – before publication
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.0 – before publication

References

Windows Hyper-V Denial of Service Vulnerability vendor-advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1692 x_refsource_MISC, x_transferred