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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-02-15
• EPSS: 81.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-09 · updated 2026-08-12
• Weakness: CWE-843

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.

Affected products

• Microsoft Internet Explorer 11: 11, 10
• Microsoft Internet Explorer 11: Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows 8.1 for 32-bit systems, Windows 8.1 for x64-based systems, Windows Server 2012 R2 (+18)
• Microsoft Internet Explorer 10: Windows Server 2012

References

• http://packetstormsecurity.com/files/153078/Microsoft-Internet-Explorer-Windows-10-1809-17763.316-Memory-Corruption.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0752
• https://www.zerodayinitiative.com/advisories/ZDI-19-359/
• http://packetstormsecurity.com/files/153078/Microsoft-Internet-Explorer-Windows-10-1809-17763.316-Memory-Corruption.html
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0752
• https://www.zerodayinitiative.com/advisories/ZDI-19-359/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0752

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