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Vulnerability details: VCID-sdga-u536-1fam
Vulnerability ID VCID-sdga-u536-1fam
Aliases CVE-2018-0836
GHSA-m8x8-5ch7-c5w9
Summary Out-of-bounds Write Microsoft Edge and ChakraCore in Microsoft Windows allows remote code execution, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0834, CVE-2018-0835, CVE-2018-0837, CVE-2018-0838, CVE-2018-0840, CVE-2018-0856, CVE-2018-0857, CVE-2018-0858, CVE-2018-0859, CVE-2018-0860, CVE-2018-0861, and CVE-2018-0866.
Status Published
Exploitability None
Weighted Severity None
Risk None
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 0.284 https://api.first.org/data/v1/epss?cve=CVE-2018-0836
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-m8x8-5ch7-c5w9
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/b99d0dcbf5a890e3f5dcdbfcec033f5c92b2bd6d
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/b99d0dcbf5a890e3f5dcdbfcec033f5c92b2bd6d
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-0836
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-0836
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0836
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0836
cvssv3.1 7.5 https://web.archive.org/web/20210804005206/http://www.securityfocus.com/bid/102875
generic_textual HIGH https://web.archive.org/web/20210804005206/http://www.securityfocus.com/bid/102875
cvssv3.1 7.5 https://web.archive.org/web/20211208072939/http://www.securitytracker.com/id/1040372
generic_textual HIGH https://web.archive.org/web/20211208072939/http://www.securitytracker.com/id/1040372
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-0836
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/b99d0dcbf5a890e3f5dcdbfcec033f5c92b2bd6d
https://web.archive.org/web/20210804005206/http://www.securityfocus.com/bid/102875
https://web.archive.org/web/20211208072939/http://www.securitytracker.com/id/1040372
http://www.securityfocus.com/bid/102875
http://www.securitytracker.com/id/1040372
CVE-2018-0836 https://nvd.nist.gov/vuln/detail/CVE-2018-0836
CVE-2018-0836 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0836
GHSA-m8x8-5ch7-c5w9 https://github.com/advisories/GHSA-m8x8-5ch7-c5w9
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/b99d0dcbf5a890e3f5dcdbfcec033f5c92b2bd6d
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-2018-0836
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-2018-0836
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/20210804005206/http://www.securityfocus.com/bid/102875
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/20211208072939/http://www.securitytracker.com/id/1040372
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 0.96593
EPSS Score 0.284
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:53:25.789127+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2018-0836.yml 38.6.0