Reference page — cumulative record through Wednesday, October 7, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2019-1429

CVE-2019-1429HIGH

Microsoft Internet Explorer

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   R  U  H  H  H    7.5   .7729   99.5   YES

AFFECTED
  Product                                                                  Versions                                                 Fixed
  Internet Explorer 9                                                      Windows Server 2008 for 32-bit Systems Service Pack 2 –  —
  Internet Explorer 11                                                     Windows 7 for 32-bit Systems Service Pack 1 –            —
  Internet Explorer 11 on Windows Server 2012                              unspecified –                                            —
  Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems       unspecified –                                            —
  Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems    unspecified –                                            —
  Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems  unspecified –                                            —
  Internet Explorer 10                                                     Windows Server 2012 –                                    —

TIMELINE
  Nov 26  Reserved by microsoft
  Nov 12  Published (CNA: microsoft)
  Nov 3   Added to CISA KEV, remediation due 2022-05-03

CWE-416 · CNA: microsoft · CVSS v3.1 · 3 references · KEV due May 3, 2022

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
November 26, 2018	Reserved	Reserved by microsoft
November 12, 2019	Published	Published (CNA: microsoft)
November 3, 2021	KEV ADDED	Added to CISA KEV, remediation due 2022-05-03

Affected

Affected products and packages — 7 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Internet Explorer 9	—	Windows Server 2008 for 32-bit Systems Service Pack 2	—
Microsoft	Internet Explorer 11	—	Windows 7 for 32-bit Systems Service Pack 1	—
Microsoft	Internet Explorer 11 on Windows Server 2012	—	unspecified	—
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems	—	unspecified	—
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems	—	unspecified	—
Microsoft	Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems	—	unspecified	—
Microsoft	Internet Explorer 10	—	Windows Server 2012	—

Weaknesses

CWE-416

References (3)

http://packetstormsecurity.com/files/155433/Microsoft-Internet-Explorer-Use-After-Free.html [x_refsource_MISC]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1429 [x_refsource_MISC]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1429 [government-resource]

Authoritative record: CVE-2019-1429 at cve.org

Vendors: microsoft

Weaknesses: CWE-416

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2019-1429 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, October 7, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.