Security restrictions bypass in Microsoft Edge - CVE-2017-8637

 

Security restrictions bypass in Microsoft Edge - CVE-2017-8637

Published: August 8, 2017 / Updated: August 8, 2017


Vulnerability identifier: #VU7715
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-8637
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge

Detailed vulnerability description

The vulnerability allows a local attacker to bypass security restrictions on the target system.

The weakness exists in Microsoft Edge due to how memory is accessed in code compiled by the Edge Just-In-Time (JIT) compiler. A local attacker can visit a specially crafted website and bypass Arbitrary Code Guard (ACG).

Successful exploitation of the vulnerability may result in further attacks.

How to mitigate CVE-2017-8637

Install updates from vendor's website.

Sources