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Vulnerability details: VCID-36ck-4uuw-fbeq
Vulnerability ID VCID-36ck-4uuw-fbeq
Aliases CVE-2019-1196
GHSA-hfm2-fffh-v47v
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-2019-1131, CVE-2019-1139, CVE-2019-1140, CVE-2019-1141, CVE-2019-1195, CVE-2019-1197.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-787 Out-of-bounds Write
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.01327 https://api.first.org/data/v1/epss?cve=CVE-2019-1196
cvssv3.1 7.5 https://github.com/chakra-core/ChakraCore/commit/6b1250b6ffea7006226dd937e52cf5b353fcfc15
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/6b1250b6ffea7006226dd937e52cf5b353fcfc15
cvssv3.1 7.5 https://github.com/chakra-core/ChakraCore/commit/dce7443ae45f82eceec3284974610e1a1bbe6792
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/dce7443ae45f82eceec3284974610e1a1bbe6792
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2019-1196
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2019-1196
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1196
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1196
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-1196
https://github.com/chakra-core/ChakraCore/commit/6b1250b6ffea7006226dd937e52cf5b353fcfc15
https://github.com/chakra-core/ChakraCore/commit/dce7443ae45f82eceec3284974610e1a1bbe6792
CVE-2019-1196 https://nvd.nist.gov/vuln/detail/CVE-2019-1196
CVE-2019-1196 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1196
GHSA-hfm2-fffh-v47v https://github.com/advisories/GHSA-hfm2-fffh-v47v
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/commit/6b1250b6ffea7006226dd937e52cf5b353fcfc15
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/dce7443ae45f82eceec3284974610e1a1bbe6792
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-2019-1196
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-2019-1196
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 0.80264
EPSS Score 0.01327
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:20:57.529421+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2019-1196.yml 38.6.0