An elevation of privilege vulnerability exists in Microsoft browsers allowing sandbox escape, aka "Microsoft Browser Elevation of Privilege Vulnerability." This affects Internet Explorer 11, Microsoft Edge.
http://www.securityfocus.com/bid/105022
http://www.securitytracker.com/id/1041457
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8357
Source: MITRE
Published: 2018-08-15
Updated: 2019-10-03
Type: NVD-CWE-noinfo
Base Score: 5.1
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 4.9
Severity: MEDIUM
Base Score: 8.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 1.6
Severity: HIGH