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CVE-2018-8298

ChakraCore RCE Vulnerability

7.5 HighIn KEVPublic exploitFix available

CVE-2018-8298 is a high vulnerability (CVSS 7.5) in Chakracore Scripting Engine, published July 11, 2018. CISA lists it as known to be exploited, since March 3, 2022. EUVD reports exploitation since March 3, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 74.7%, the 99th percentile. Fixed in Microsoft.ChakraCore 1.10.1.

What does this mean?
Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
74.7%EPSS, 99th percentile
Exploitation
ExploitedCISA KEV,
Fixed in
1.10.1Microsoft.ChakraCore +1 more

Description

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

74.7%Up 30.9 points since Apr 14, 2021
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
Microsoft.ChakraCore
NuGet
before 1.10.1
1.10.1
Microsoft.ChakraCore
NuGet
before 1.10.1, plus listed versions
1.10.01.2.01.2.11.2.21.2.3
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1.2.6.62716-preview1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.21.7.01.7.11.7.21.7.31.7.41.7.51.7.61.8.01.8.11.8.21.8.31.8.41.8.5
1.10.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosoft Edge Chakra JIT - InitializeNumberFormat and InitializeDateTimeFormat Type Confusion2018-08-17

What each source reports

NVD Score used7.5

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
CVE-2018-8298
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
7.6 HighAV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness
CWE-843
Updated
2026-11-02
CVE List7.5

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
CVE-2018-8298
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-843
Updated
2026-11-02
EUVDEUVD-2022-55757.5

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
EUVD-2022-5575
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-wgw2-wwq8-c7wf7.5

ChakraCore RCE Vulnerability

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
GHSA-wgw2-wwq8-c7wf
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H
Weakness
CWE-843
Updated
2026-11-02
CISA KEVNo score

ChakraCore Scripting Engine Type Confusion Vulnerability

The ChakraCore scripting engine contains a type confusion vulnerability which can allow for remote code execution.

Record
CVE-2018-8298
Weakness
CWE-843
Updated
2026-11-02
OSV7.5

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
CVE-2018-8298
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-wgw2-wwq8-c7wf7.5

ChakraCore RCE Vulnerability

A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8291, CVE-2018-8296.

Record
GHSA-wgw2-wwq8-c7wf
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H
Weakness
CWE-843
Updated
2026-11-02

History

History
RecordedChangedSources
exploitation
first indexedCVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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