CVE-2019-1429

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.773 · 100 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · functional

Likely / severe?

77.3% (100th) EPSS

CVSS 7.6 · high

Is it mine?

35 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · fstec_bdu

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.6 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-787USprimaryCWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-47707Internet Explorer - Use-After-Free in JScript Arguments During toJSON Callbackfunctional · exploit_db

affected products (35)

Products and version ranges known to be affected.

Microsoft Internet Explorer 10≤ Windows Server 2012enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1803 for ARM64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows Server 2016enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 for x64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1809 for x64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 7 for 32-bit Systems Service Pack 1enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 7 for x64-based Systems Service Pack 1enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1809 for 32-bit Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows RT 8.1enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1709 for x64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1803 for x64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows Server 2012 R2enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 8.1 for 32-bit systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1607 for x64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows Server 2019enisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1709 for 32-bit Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 8.1 for x64-based systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1709 for ARM64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 Version 1809 for ARM64-based Systemsenisa_euvdEU
Microsoft Internet Explorer 11≤ Windows 10 for 32-bit Systemsenisa_euvdEU

showing 20 of 35

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu NVD CVE.org MITRE

published 2019-11-12modified 2026-06-17

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+28129 more

references (10)

External citations — patches, advisories, analysis.

scry

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