CVE-2019-1399 Denial of service in Windows
A privileged user in a guest OS can cause a denial of service on the Microsoft Hyper-V host server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1399?
CVE-2019-1399 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 12 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system, aka 'Windows Hyper-V Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0712, CVE-2019-1309, CVE-2019-1310.
Weakness: CWE-20
Which versions are affected by CVE-2019-1399?
It affects 7 products.
Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016 and 1 more.
How do I fix CVE-2019-1399?
No fix has been published for CVE-2019-1399 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-1399 being exploited?
There is no known exploitation of CVE-2019-1399 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-j8v8-39p3-x83f.