CVE-2019-1429Actively exploitedAdded to KEV 2021-11-03

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Microsoft, Internet Explorer

Description

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

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Critical

77.3%

estimated chance of real-world exploitation in the next 30 days, higher than 99.6% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-05-03

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