CVE-2018-8449 Security feature bypass in Windows 10
Attackers can bypass Device Guard security controls by exploiting a race condition in file validation on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8449?
CVE-2018-8449 is a low-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 exists when Device Guard incorrectly validates an untrusted file, aka "Device Guard Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
Weakness: CWE-367
Which versions are affected by CVE-2018-8449?
It affects 2 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016.
How do I fix CVE-2018-8449?
No fix has been published for CVE-2018-8449 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8449 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-8449 exists.
Public exploit code: 1 Exploit-DB entry.
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- 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-pf35-ch3j-qpg8.