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CISA Known Exploited Vulnerabilities

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-1429

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-2019-1426, CVE-2019-1427, CVE-2019-1428.

Severity

CVSS 3.1 · CISA7.5 HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Affected Products

VendorProductAffected versions
MicrosoftInternet Explorer 9
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
MicrosoftInternet 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
Windows RT 8.1
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows Server 2016
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for x64-based Systems
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows Server 2019
Windows 10 Version 1709 for ARM64-based Systems
MicrosoftInternet Explorer 11 on Windows Server 2012
unspecified
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems
unspecified
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for x64-based Systems
unspecified
MicrosoftInternet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems
unspecified
MicrosoftInternet Explorer 10
Windows Server 2012

References

2 Links

Record Details

Published
2019-11-12
Last updated
2026-01-12
Assigner (CNA)
microsoft
Credited to
-

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.