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Vulnerability Intelligence

CVE-2018-8384

HighPublic exploit

ChakraCore RCE Vulnerability

Published May 13, 2022 · Updated Aug 5, 2024 · Also known as GHSA-ggvv-6v25-r49r

Key Facts

Patch immediately
  • CVE-2018-8384 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting ChakraCore (Microsoft), Microsoft.ChakraCore (nuget).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 62% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Microsoft.ChakraCore 1.10.2.
  • 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)

62%

Higher than 99.1% 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

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Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore. This CVE ID is unique from CVE-2018-8266, CVE-2018-8380, CVE-2018-8381.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
ChakraCoreMicrosoft>= ChakraCoren/a
Microsoft.ChakraCorenugetSee advisory1.10.2

Patched Releases

Microsoft.ChakraCore

1.10.2

Timeline

  1. Publicly disclosed

    May 13, 2022

  2. Last updated

    Aug 5, 2024

Weakness Type

  • CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

References

5 more references in the full CVE brief

FAQ

Common Questions.

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