CVE-2019-0752VulnerabilityPublished 02/15/2022Updated 10/24/2026
CVE-2019-0752: Microsoft Internet Explorer Type Confusion Vulnerability
Affects Microsoft Internet ExplorerSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 02/15/2022
- KEV deadline
- 08/15/2022
- Ransomware
- Used in ransomware campaigns
- EPSS
- 81.7% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
CVE-2019-0752 is a high-severity remote code execution vulnerability in Microsoft Internet Explorer. It arises from a type confusion issue in the scripting engine's handling of objects in memory. This vulnerability has been exploited in the wild and is known to have been used in ransomware campaigns.