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CVE-2019-0752

Microsoft Internet Explorer Type Confusion Vulnerability

  • High 7.5
  • Exploited: added to CISA KEV 15 Feb 2022
  • Used in ransomware campaigns

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.

Key facts

Published
9 Apr 2019
Last changed
12 Aug 2026
Assigned by
microsoft
KEV added
15 Feb 2022
KEV fix due
15 Aug 2022
Used in ransomware
Yes, according to CISA
EPSS
81.679% likely to be exploited in the next 30 days, higher than 99.65% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.5CVSS 3.1, Highfrom CISA (ADP container)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftInternet Explorer 11
  • Windows 7 for 32-bit Systems Service Pack 1 (affected)
  • Windows 7 for x64-based Systems Service Pack 1 (affected)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected)
  • Windows 8.1 for 32-bit systems (affected)
  • Windows 8.1 for x64-based systems (affected)
  • Windows Server 2012 R2 (affected)
  • Windows RT 8.1 (affected)
  • Windows 10 for 32-bit Systems (affected)
  • Windows 10 for x64-based Systems (affected)
  • Windows Server 2016 (affected)
  • Windows 10 Version 1607 for 32-bit Systems (affected)
  • Windows 10 Version 1607 for x64-based Systems (affected)
  • Windows 10 Version 1703 for 32-bit Systems (affected)
  • Windows 10 Version 1703 for x64-based Systems (affected)
  • Windows 10 Version 1709 for 32-bit Systems (affected)
  • Windows 10 Version 1709 for x64-based Systems (affected)
  • Windows 10 Version 1803 for 32-bit Systems (affected)
  • Windows 10 Version 1803 for x64-based Systems (affected)
  • Windows 10 Version 1803 for ARM64-based Systems (affected)
  • Windows 10 Version 1809 for 32-bit Systems (affected)
  • Windows 10 Version 1809 for x64-based Systems (affected)
  • Windows 10 Version 1809 for ARM64-based Systems (affected)
  • Windows Server 2019 (affected)
  • Windows 10 Version 1709 for ARM64-based Systems (affected)
MicrosoftInternet Explorer 10
  • Windows Server 2012 (affected)

Timeline

  1. 9 Apr 2019 Published
  2. 15 Feb 2022 CVE-2019-0752 added to CISA KEV
  3. 15 Feb 2022 Added to the CISA KEV catalogue

Weakness

References