CVE-2017-8503 Privilege escalation in Microsoft Edge
Attackers can escape the AppContainer sandbox in Microsoft Edge to gain elevated privileges 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-2017-8503?
CVE-2017-8503 is a high-severity vulnerability in Microsoft Edge, published on 8 Aug 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Microsoft Edge in Microsoft Windows 10 1511, 1607, 1703, and Windows Server 2016 allows an attacker to escape from the AppContainer sandbox, aka "Microsoft Edge Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-8642.
Which versions are affected by CVE-2017-8503?
It affects 1 product.
Products include Microsoft Edge.
How do I fix CVE-2017-8503?
No fix has been published for CVE-2017-8503 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-8503 being exploited?
There is no known exploitation of CVE-2017-8503 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Edge
Sources
Also known as GHSA-cfph-3c74-3hcj.