Vulnerable component: Microsoft Internet Explorer
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
The vulnerability allows a remote attacker to obtain elevated privileges on the target system.
The weakness exists due to the failure to properly validate permissions. A remote attacker can create a specially crafted Web site, trick the victim into visiting it, gain elevated privileges and execute arbitrary code on the affected system.
Successful exploitation of the vulnerability may result in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.