SB2017101022 - Privilege escalation in Windows Update Delivery Optimization component of Microsoft Windows
Published: October 10, 2017 Updated: October 11, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Privilege escalation (CVE-ID: CVE-2017-11829)
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists in the Windows Update Delivery Optimization component of Microsoft Windows due to improper access controls when handling file shares. A local attacker can access the system and execute a Delivery Optimization job that submits malicious input, overwrite arbitrary files and execute arbitrary code with SYSTEM privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.