CVE-2019-1426

Description

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge (HTML-based), aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-1427, CVE-2019-1428, CVE-2019-1429.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.72% Top 15%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2016
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2019
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems
Affected: Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems
Affected: Microsoft ChakraCore
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2019-1426?
CVE-2019-1426 has been scored as a high severity vulnerability.
How to fix CVE-2019-1426?
To fix CVE-2019-1426, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-1426 being actively exploited in the wild?
It is possible that CVE-2019-1426 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-1426?
CVE-2019-1426 affects Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2016, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows Server 2019, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems, Microsoft Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems, Microsoft ChakraCore.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.