CVE-2021-34438 Windows Font Driver Host Remote Code Execution Vulnerability
Attackers can execute arbitrary code via the Windows Font Driver Host, requiring immediate patching for Windows 10 and Server users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-34438?
CVE-2021-34438 is a high-severity code injection vulnerability in Microsoft Windows 10, published on 16 Jul 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Windows Font Driver Host Remote Code Execution Vulnerability
Which versions are affected by CVE-2021-34438?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2021-34438?
No fix has been published for CVE-2021-34438 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-2021-34438 being exploited?
There is no known exploitation of CVE-2021-34438 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-wrr2-vpv2-fvvr.