CVE-2019-0752: Microsoft Internet Explorer Type Confusion Vulnerability

Vulnerability summary

CVE-2019-0752 is a high (CVSS 7.6) Type Confusion vulnerability in Microsoft Internet Explorer. It is known to be exploited: CISA lists it, first on 15-02-2022. It has been used in ransomware campaigns. EPSS estimates a 81.68% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 09-04-2019
   PublishedVulnerability first disclosed.
2. 15-02-2022
   Added to CISA KEVMicrosoft Internet Explorer Type Confusion Vulnerability
3. 15-08-2022
   CISA remediation dueApply updates per vendor instructions.
4. 12-08-2026
   Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0739, CVE-2019-0753, CVE-2019-0862.

• CWE-843Access of Resource Using Incompatible Type ('Type Confusion')The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.