CVE-2016-7240
HighPublic exploitChakraCore RCE Vulnerability
Published May 14, 2022 · Updated Aug 6, 2024 · Also known as GHSA-hh3v-5chw-wgh7
Key Facts
Patch immediately- CVE-2016-7240 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Edge (Microsoft), Microsoft.ChakraCore (nuget).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 66% probability of exploitation in the next 30 days.
- Fixed versions are available, including Microsoft.ChakraCore 1.2.2.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
66%
Higher than 99.2% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2016-7240 brief as a PDF
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Description
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-2016-7201, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7242, and CVE-2016-7243.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| EdgeMicrosoft | See advisory | n/a |
| Microsoft.ChakraCorenuget | See advisory | 1.2.2 |
Patched Releases
Microsoft.ChakraCore
1.2.2
Timeline
Publicly disclosed
May 14, 2022
Last updated
Aug 6, 2024
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2016-7240
- advisory40773
- articleMS16-129
- articlehttps://github.com/chakra-core/ChakraCore/commit/c2787ef8fdb7401922e9ec6540e4e5895d11c631
FAQ
Common Questions.
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-2016-7201, CVE-2016-7202, CVE-201…
Affected: Edge (Microsoft); Microsoft.ChakraCore (nuget). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Microsoft.ChakraCore 1.2.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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