CVE-2019-1471 Code injection in Windows
An authenticated guest user can execute arbitrary code on the Windows Hyper-V host, requiring immediate patching by system administrators.
- 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-2019-1471?
CVE-2019-1471 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 10 Dec 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Windows Hyper-V Remote Code Execution Vulnerability'.
Weakness: CWE-20
Which versions are affected by CVE-2019-1471?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2019-1471?
No fix has been published for CVE-2019-1471 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-1471 being exploited?
There is no known exploitation of CVE-2019-1471 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-cxf2-wf5p-w5g5.