CVE-2019-0639

Description

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0609, CVE-2019-0680, CVE-2019-0769, CVE-2019-0770, CVE-2019-0771, CVE-2019-0773, CVE-2019-0783.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 9.33% Top 10%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Edge
Affected: Microsoft ChakraCore
Published at:
Updated at:

References

Link Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0639 patch vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-122/

Frequently Asked Questions

What is the severity of CVE-2019-0639?
CVE-2019-0639 has been scored as a high severity vulnerability.
How to fix CVE-2019-0639?
To fix CVE-2019-0639, 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-2019-0639 being actively exploited in the wild?
It is possible that CVE-2019-0639 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-0639?
CVE-2019-0639 affects Microsoft Microsoft Edge, 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.