All vulnerabilities
CVE-2018-8373

Microsoft Scripting Engine Memory Corruption Vulnerability

Microsoft Internet Explorer Scripting EngineApplications & CMS
Open in ThreatlineRecord JSON
CVSS
7.5High
ExploitationExploited in the wildAdded to KEV 25 Mar 2022CISA KEV
Exploit odds (EPSS)61.5%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 deadline15 Apr 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. 15 Aug 2018, 17:00 UTCPublishedCVE List
  2. 25 Mar 2022Added to CISA KEVCISA KEV

Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer.

Text from CVE List

Affected versions 21

  • 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 10 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 for x64-based SystemsCVE 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 1703 for 32-bit SystemsCVE List
  • Internet Explorer 11affected: Windows 10 Version 1703 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 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 8.1 for 32-bit systemsCVE List
  • Internet Explorer 11affected: Windows 8.1 for x64-based systemsCVE List
  • Internet Explorer 11affected: Windows RT 8.1CVE List
  • Internet Explorer 11affected: Windows Server 2008 R2 for x64-based Systems Service Pack 1CVE List
  • Internet Explorer 11affected: Windows Server 2012 R2CVE List
  • Internet Explorer 11affected: Windows Server 2016CVE List
  • Internet Explorer 10affected: Windows Server 2012CVE List

References 3