Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-4f5g-j7wg-7w8j
Advisory ID github_osv/GHSA-4f5g-j7wg-7w8j
Aliases CVE-2016-7201
Summary ChakraCore RCE Vulnerability The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
Status Published
Exploitability 2.0
Weighted Severity 6.9
Risk 10.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
System Score Found at
cvssv3 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-4f5g-j7wg-7w8j/GHSA-4f5g-j7wg-7w8j.json
cvssv4 7.7 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-4f5g-j7wg-7w8j/GHSA-4f5g-j7wg-7w8j.json
generic_textual HIGH
Reference id Reference type URL
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-129
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
https://github.com/chakra-core/ChakraCore/pull/1982
https://web.archive.org/web/20210123185125/http://www.securityfocus.com/bid/94038
https://web.archive.org/web/20211126224744/http://www.securitytracker.com/id/1037245
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-7201
https://www.exploit-db.com/exploits/40784
https://www.exploit-db.com/exploits/40990
1037245 Advisory http://www.securitytracker.com/id/1037245
94038 Advisory http://www.securityfocus.com/bid/94038
CVE-2016-7200;CVE-2016-7201 Exploit https://github.com/theori-io/chakra-2016-11
CVE-2016-7201 https://nvd.nist.gov/vuln/detail/CVE-2016-7201
Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html Other http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
Data source Exploit-DB
Date added Nov. 18, 2016
Description Microsoft Edge - 'FillFromPrototypes' Type Confusion
Ransomware campaign use Known
Source publication date Nov. 18, 2016
Exploit type dos
Platform windows
Source update date Nov. 18, 2016
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=945
Data source KEV
Date added March 28, 2022
Description The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute remote code or cause a denial of service (memory corruption) via a crafted web site.
Required action Apply updates per vendor instructions.
Due date April 18, 2022
Note 
https://nvd.nist.gov/vuln/detail/CVE-2016-7201
Ransomware campaign use Unknown

No EPSS data available for this advisory.

Patch URL
There are no known patches.
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/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-4f5g-j7wg-7w8j/GHSA-4f5g-j7wg-7w8j.json
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:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-4f5g-j7wg-7w8j/GHSA-4f5g-j7wg-7w8j.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:A/A:N/T:T/P:M/B:A/M:M/D:A/2025-02-10T16:42:18Z/

Decision: Attend

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2016/7xxx/CVE-2016-7201.json

Source Advisory: vulnrichment/CVE-2016-7201

View SSVC decision tree 
[{'Exploitation': 'active'},
 {'Automatable': 'no'},
 {'Technical Impact': 'total'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]