CVE-2018-8253 Security feature bypass in Windows 10
Attackers can bypass lockscreen restrictions to browse arbitrary websites, leading to privilege escalation on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8253?
CVE-2018-8253 is a medium-severity vulnerability in Microsoft Windows 10, published on 15 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege vulnerability exists when Microsoft Cortana allows arbitrary website browsing on the lockscreen, aka "Microsoft Cortana Elevation of Privilege Vulnerability." This affects Windows Server 2016, Windows 10.
Which versions are affected by CVE-2018-8253?
It affects 2 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016.
How do I fix CVE-2018-8253?
No fix has been published for CVE-2018-8253 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8253 being exploited?
There is no known exploitation of CVE-2018-8253 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-vr2w-wm3v-j642.