Memory corruption in Microsoft Edge - CVE-2017-8641

Vulnerability identifier: #VU7726

CSH Severity: High

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-8641

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: Public exploit is available

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

The weakness exists due to an error when handling objects in memory by JavaScript engines. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with system privileges.

Successful exploitation of the vulnerability may result in system compromise.

Microsoft Edge
Microsoft Internet Explorer

Install updates from vendor's website.

• Exploit #1283 - Microsoft Edge Chakra - 'chakra!Js::GlobalObject' Integer overflow (March 18, 2020)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8641

• Multiple vulnerabilities in Microsoft Edge
• Multiple vulnerabilities in Microsoft Internet Explorer