SB2020071511 - Privilege escalation in Microsoft Windows Update Stack
Published: July 15, 2020
Security Bulletin ID
SB2020071511
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-1424)
CWE-ID: CWE-119 - Memory corruption
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 a boundary error when processing objects in memory within the Windows Update Stack. A local user can create a malicious application, launch it on the system and execute arbitrary code with SYSTEM privileges.
Remediation
Install update from vendor's website.