Security restrictions bypass in Microsoft Windows and Windows Server - CVE-2018-8417

Vulnerability identifier: #VU15872

CSH Severity: Low

CVSS v4: 2.4 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-8417

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The weakness exists due to an error when Microsoft JScript manages COM object creation. A physical attacker can run a specially crafted application to bypass security restrictions and create arbitrary COM objects.

Microsoft Windows
Windows Server

Install updates from vendor's website.

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8417

• Security restrictions bypass in Microsoft JScript