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Vulnerability details: VCID-ewzn-6edc-x7e7
Vulnerability ID VCID-ewzn-6edc-x7e7
Aliases CVE-2018-0931
GHSA-h575-j3ph-hjvc
Summary Out-of-bounds Write ChakraCore and Microsoft Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows remote code execution, due to how the Chakra scripting engine handles objects in memory, aka "Chakra Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0872, CVE-2018-0873, CVE-2018-0874, CVE-2018-0930, CVE-2018-0933, CVE-2018-0934, CVE-2018-0936, and CVE-2018-0937.
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 0.26113 https://api.first.org/data/v1/epss?cve=CVE-2018-0931
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-h575-j3ph-hjvc
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/46c98f0645dfa58654036c8a7417e67e81e4706a
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/46c98f0645dfa58654036c8a7417e67e81e4706a
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-0931
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-0931
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0931
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0931
cvssv3.1 7.5 https://web.archive.org/web/20210124144712/http://www.securityfocus.com/bid/103273
generic_textual HIGH https://web.archive.org/web/20210124144712/http://www.securityfocus.com/bid/103273
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-0931
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/46c98f0645dfa58654036c8a7417e67e81e4706a
https://web.archive.org/web/20210124144712/http://www.securityfocus.com/bid/103273
CVE-2018-0931 https://nvd.nist.gov/vuln/detail/CVE-2018-0931
CVE-2018-0931 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0931
GHSA-h575-j3ph-hjvc https://github.com/advisories/GHSA-h575-j3ph-hjvc
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/46c98f0645dfa58654036c8a7417e67e81e4706a
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-2018-0931
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-2018-0931
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://web.archive.org/web/20210124144712/http://www.securityfocus.com/bid/103273
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 0.96379
EPSS Score 0.26113
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:58:37.538276+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2018-0931.yml 38.6.0