SB2018061210 - Privilege escalation in Cortana in Microsoft Windows
Published: June 12, 2018 Updated: November 25, 2018
Security Bulletin ID
SB2018061210
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) Improper input validation (CVE-ID: CVE-2018-8140)
CWE-ID: CWE-20 - Improper input validation
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:U/U:Clear
The vulnerability allows a local user to escalate privileges.
The vulnerability exists due to an input validation error when processing data within Cortana without consideration for status. A local user can execute arbitrary code on the vulnerable system with elevated privileges.
Remediation
Install update from vendor's website.