CVE-2020-16920

high

Description

<p>An elevation of privilege vulnerability exists when the Windows Application Compatibility Client Library improperly handles registry operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.</p> <p>To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application.</p> <p>The security update addresses the vulnerability by ensuring the Windows Application Compatibility Client Library properly handles registry operations.</p>

References

https://www.tenable.com/blog/microsoft-october-2020-patch-tuesday-87-cves-bad-neighbor-windows-tcp-ip-cve-2020-16898

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16920

Details

Source: Mitre, NVD

Published: 2020-10-16

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High