All vulnerabilities
CVE-2019-1429

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Microsoft Internet ExplorerApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationExploited in the wildAdded to KEV 3 Nov 2021CISA KEV
Exploit odds (EPSS)77.3%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline3 May 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 12 Nov 2019, 18:53 UTCPublishedCVE List
  2. 22 Nov 2019Exploit code publicExploit-DB
  3. 3 Nov 2021Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Dos exploitInternet Explorer - Use-After-Free in JScript Arguments During toJSON Callback 22 Nov 2019Exploit-DB

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Microsoft Internet Explorer contains a memory corruption vulnerability which can allow for remote code execution in the context of the current user.

Text from CVE List

Affected versions 29

  • Internet Explorer 9affected: Windows Server 2008 for 32-bit Systems Service Pack 2CVE List
  • Internet Explorer 9affected: Windows Server 2008 for x64-based Systems Service Pack 2CVE List
  • Internet Explorer 11affected: Windows 7 for 32-bit Systems Service Pack 1CVE List
  • Internet Explorer 11affected: Windows 7 for x64-based Systems Service Pack 1CVE List
  • Internet Explorer 11affected: Windows Server 2008 R2 for x64-based Systems Service Pack 1CVE List
  • Internet Explorer 11affected: Windows 8.1 for 32-bit systemsCVE List
  • Internet Explorer 11affected: Windows 8.1 for x64-based systemsCVE List
  • Internet Explorer 11affected: Windows Server 2012 R2CVE List
  • Internet Explorer 11affected: Windows RT 8.1CVE List
  • Internet Explorer 11affected: Windows 10 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 for x64-based SystemsCVE List
  • Internet Explorer 11affected: Windows Server 2016CVE List
  • Internet Explorer 11affected: Windows 10 Version 1607 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1607 for x64-based SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1709 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1709 for x64-based SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1803 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1803 for x64-based SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1803 for ARM64-based SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1809 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1809 for x64-based SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1809 for ARM64-based SystemsCVE List
  • Internet Explorer 11affected: Windows Server 2019CVE List
  • Internet Explorer 11affected: Windows 10 Version 1709 for ARM64-based SystemsCVE List
  • Internet Explorer 11 on Windows Server 2012affected: unspecifiedCVE List
  • Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systemsaffected: unspecifiedCVE List
  • Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systemsaffected: unspecifiedCVE List
  • Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systemsaffected: unspecifiedCVE List
  • Internet Explorer 10affected: Windows Server 2012CVE List

References 3