Use-after-free error in Microsoft Edge - CVE-2017-0070

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to memory corruption in Microsoft scripting engine. A remote unauthenticated attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

How to mitigate CVE-2017-0070

Install updates from vendor's website.

Sources

• https://technet.microsoft.com/en-us/library/security/MS17-007
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1043