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Vulnerability record · CVE-2019-0806 · published 9 April 2019

CVE-2019-0806: Microsoft chakracore out-of-bounds write vulnerability

Microsoft · Chakracore

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0810, CVE-2019-0812, CVE-2019-0829, CVE-2019-0860, CVE-2019-0861.

7.5 CVSS 3.0 High EPSS 9.0% · top 4.9% CWE-787 · Out-of-bounds write
7.5CVSS 3.0 base score, v2 7.6
9.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'Chakra Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0810, CVE-2019-0812, CVE-2019-0829, CVE-2019-0860, CVE-2019-0861.

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806 PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806 PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-0806), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.