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Vulnerability details: VCID-v9cp-jf26-t7c3
Vulnerability ID VCID-v9cp-jf26-t7c3
Aliases CVE-2017-11805
GHSA-px6p-jxwr-27mc
Summary Improper Restriction of Operations within the Bounds of a Memory Buffer ChakraCore and Microsoft Edge in Microsoft Windows allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11811, CVE-2017-11812, and CVE-2017-11821.
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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.24372 https://api.first.org/data/v1/epss?cve=CVE-2017-11805
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/a9ea5c9365a6c7957df2afb41f970da87066ec2a
generic_textual HIGH https://github.com/chakra-core/ChakraCore/commit/a9ea5c9365a6c7957df2afb41f970da87066ec2a
cvssv3.1 7.5 https://github.com/chakra-core/ChakraCore/pull/3917
generic_textual HIGH https://github.com/chakra-core/ChakraCore/pull/3917
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2017-11805
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2017-11805
cvssv3.1 7.5 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11805
generic_textual HIGH https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11805
cvssv3.1 7.5 https://web.archive.org/web/20210125203400/http://www.securityfocus.com/bid/101132
generic_textual HIGH https://web.archive.org/web/20210125203400/http://www.securityfocus.com/bid/101132
cvssv3.1 7.5 https://web.archive.org/web/20210723180751/http://www.securitytracker.com/id/1039529
generic_textual HIGH https://web.archive.org/web/20210723180751/http://www.securitytracker.com/id/1039529
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2017-11805
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/a9ea5c9365a6c7957df2afb41f970da87066ec2a
https://github.com/chakra-core/ChakraCore/pull/3917
https://web.archive.org/web/20210125203400/http://www.securityfocus.com/bid/101132
https://web.archive.org/web/20210723180751/http://www.securitytracker.com/id/1039529
http://www.securityfocus.com/bid/101132
http://www.securitytracker.com/id/1039529
CVE-2017-11805 https://nvd.nist.gov/vuln/detail/CVE-2017-11805
CVE-2017-11805 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11805
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/a9ea5c9365a6c7957df2afb41f970da87066ec2a
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/pull/3917
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-2017-11805
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-2017-11805
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/20210125203400/http://www.securityfocus.com/bid/101132
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/20210723180751/http://www.securitytracker.com/id/1039529
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 0.96208
EPSS Score 0.24372
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:37:11.671017+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/Microsoft.ChakraCore/CVE-2017-11805.yml 38.6.0