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Vulnerability details: VCID-thsq-abfa-37en
Vulnerability ID VCID-thsq-abfa-37en
Aliases CVE-2019-0806
GHSA-hg36-rmmm-hc5r
Summary Out-of-bounds Write 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-787 Out-of-bounds Write
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.07977 https://api.first.org/data/v1/epss?cve=CVE-2019-0806
epss 0.07977 https://api.first.org/data/v1/epss?cve=CVE-2019-0806
epss 0.07977 https://api.first.org/data/v1/epss?cve=CVE-2019-0806
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-hg36-rmmm-hc5r
cvssv3.1 7.5 https://github.com/chakra-core/ChakraCore
generic_textual HIGH https://github.com/chakra-core/ChakraCore
cvssv3.1 7.5 https://github.com/chakra-core/ChakraCore/commit/50d1e46aac450f236927b309854e77fce4acd49f
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/50d1e46aac450f236927b309854e77fce4acd49f
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-0806
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-0806
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-0806
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/50d1e46aac450f236927b309854e77fce4acd49f
CVE-2019-0806 https://nvd.nist.gov/vuln/detail/CVE-2019-0806
CVE-2019-0806 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806
GHSA-hg36-rmmm-hc5r https://github.com/advisories/GHSA-hg36-rmmm-hc5r
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/chakra-core/ChakraCore
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/chakra-core/ChakraCore/commit/50d1e46aac450f236927b309854e77fce4acd49f
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0806
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0806
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.92226
EPSS Score 0.07977
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:39:05.805837+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2019-0806.yml 38.6.0