#VU856 Memory corruption in Microsoft Edge - CVE-2016-7189

Vulnerability identifier: #VU856

Vulnerability risk: Critical

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red

CVE-ID: CVE-2016-7189

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerable software:
Microsoft Edge

Software vendor:
Microsoft

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

The weakness exists due to boundary error in the Scripting Engine when handling malicious files. A remote attacker can create a specially crafted content, trick the victim into downloading it, trigger memory corruption and execute arbitrary code.

Successful exploitation of the vulnerability will result in arbitrary code execution.

Note: the vulnerability was being actively exploited.

Install update from vendor's website.

• https://technet.microsoft.com/en-us/library/security/ms16-119
• https://threatpost.com/microsoft-patches-five-zero-days-under-attack/121211/