CVE-2019-1429

Microsoft Internet Explorer 9, Microsoft Internet Explorer 11, Microsoft Internet Explorer 11 on Windows Server 2012

Published 12 Nov 2019 · updated 17 Jun 2026 · Analyzed

7.5 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

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.

References

packetstormsecurity.com/files/155433/Microsoft-Internet-Explorer-Use-After-Free.html · Exploit, Third Party Advisory, VDB Entry
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1429 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1429 · US Government Resource