CVE-2018-8435 Security feature bypass in Windows 10
Attackers can bypass security features in Windows Hyper-V due to insufficient entropy in the BIOS loader, affecting Windows Server and 10 users.
- 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-2018-8435?
CVE-2018-8435 is a medium-severity vulnerability in Microsoft Windows 10, published on 13 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source, aka "Windows Hyper-V Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
Weakness: CWE-331
Which versions are affected by CVE-2018-8435?
It affects 2 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016.
How do I fix CVE-2018-8435?
No fix has been published for CVE-2018-8435 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8435 being exploited?
There is no known exploitation of CVE-2018-8435 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-qrgc-h67x-rj3x.