Vulnerable component: Windows
CVSSv3 score: CVSS:3.1/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-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper validation of input parameters passed to vulnerable setSlice() method in WebViewFolderIcon ActiveX control (Web View). A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.