CVE-2017-8493 Security feature bypass in Microsoft Windows
Attackers can bypass security restrictions by exploiting case sensitivity flaws in Windows variable checks, allowing unauthorized variable manipulation.
- 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-2017-8493?
CVE-2017-8493 is a medium-severity vulnerability in Microsoft Windows 10, published on 15 Jun 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Microsoft Windows 8.1 and Windows RT 8.1, Windows Server 2012 R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allow an attacker to set variables that are either read-only or require authentication when Windows fails to enforce case sensitivity for certain variable checks, aka "Windows Security Feature Bypass Vulnerability".
Weakness: CWE-178
Which versions are affected by CVE-2017-8493?
It affects 5 products.
Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2016.
How do I fix CVE-2017-8493?
No fix has been published for CVE-2017-8493 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-8493 being exploited?
There is no known exploitation of CVE-2017-8493 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-2rf7-87hx-xw66.