An elevation of privilege vulnerability exists when the Windows Custom Protocol Engine improperly handles memory.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Custom Protocol Engine Elevation of Privilege Vulnerability'.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1527
Source: MITRE
Published: 2020-08-17
Updated: 2021-07-21
Type: CWE-119
Base Score: 4.6
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH