CVE-2016-0167VulnerabilityPublished 11/03/2021Updated 10/24/2026
CVE-2016-0167: Microsoft Win32k Privilege Escalation Vulnerability
Affects Microsoft Win32kSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 11/03/2021
- KEV deadline
- 05/03/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 5.7% chance of exploitation in 30 days – higher than 92% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2016-0167 is a high-severity privilege escalation vulnerability in Microsoft Win32k. It allows an attacker to escalate privileges via a crafted application. The vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns. No specific affected versions or patch information are provided in the available data.