SB2020081228 - Privilege escalation in Microsoft Windows AppX Deployment Extensions



SB2020081228 - Privilege escalation in Microsoft Windows AppX Deployment Extensions

Published: August 12, 2020

Security Bulletin ID SB2020081228
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-1488)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the Windows AppX Deployment Extensions improperly performs privilege management. A local user can use a specially crafted application and gain elevated privileges on the target system.


Remediation

Install update from vendor's website.