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Vulnerability details: VCID-m6rf-hppx-zqg3
Vulnerability ID VCID-m6rf-hppx-zqg3
Aliases CVE-2018-0873
GHSA-wc52-2xwv-h7xr
Summary Out-of-bounds Write ChakraCore and Microsoft Edge in Microsoft Windows 10 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-2018-0874, CVE-2018-0930, CVE-2018-0931, 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 0.284 https://api.first.org/data/v1/epss?cve=CVE-2018-0873
epss 0.284 https://api.first.org/data/v1/epss?cve=CVE-2018-0873
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-wc52-2xwv-h7xr
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/024353a0019ddd845ac889deb8b4714df2122836
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/024353a0019ddd845ac889deb8b4714df2122836
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-0873
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-0873
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0873
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0873
cvssv3.1 7.5 https://web.archive.org/web/20201021051922/http://www.securitytracker.com/id/1040507
generic_textual HIGH https://web.archive.org/web/20201021051922/http://www.securitytracker.com/id/1040507
cvssv3.1 7.5 https://web.archive.org/web/20210124144654/http://www.securityfocus.com/bid/103268
generic_textual HIGH https://web.archive.org/web/20210124144654/http://www.securityfocus.com/bid/103268
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-0873
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/024353a0019ddd845ac889deb8b4714df2122836
https://web.archive.org/web/20201021051922/http://www.securitytracker.com/id/1040507
https://web.archive.org/web/20210124144654/http://www.securityfocus.com/bid/103268
CVE-2018-0873 https://nvd.nist.gov/vuln/detail/CVE-2018-0873
CVE-2018-0873 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0873
GHSA-wc52-2xwv-h7xr https://github.com/advisories/GHSA-wc52-2xwv-h7xr
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/024353a0019ddd845ac889deb8b4714df2122836
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-2018-0873
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-2018-0873
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/20201021051922/http://www.securitytracker.com/id/1040507
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/20210124144654/http://www.securityfocus.com/bid/103268
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 0.96602
EPSS Score 0.284
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:42:58.301281+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2018-0873.yml 38.6.0