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TI-2017-06182 Aliases CVE-2017-8658GHSA-8v2h-4jpm-3wfm

Memory corruption in Microsoft ChakraCore

Priority MEDIUM 61CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-119 and the CVSS impact.

Summary

A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".

Why it matters now

EPSS 0.20066 97th percentileScored 2026-11-07
Fix Fixed Microsoft.ChakraCore (NuGet): 1.6.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftChakraCoreChakraCore V1.7.1—No fix listedCNA
—Microsoft.ChakraCore (NuGet)before 1.6.11.6.1Patch availableGHSA-8v2h-4jpm-3wfm
  • ChakraCore VendorMicrosoft Affected ChakraCore V1.7.1 Fixed in — No fix listed CNA
  • Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.6.1 Fixed in 1.6.1 Patch available GHSA-8v2h-4jpm-3wfm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*up to 1.7.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:* Versions up to 1.7.0 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-8v2h-4jpm-3wfm Microsoft.ChakraCore (NuGet) Fixed in 1.6.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-8658
  2. 2026-10-03 Alias added: GHSA-8v2h-4jpm-3wfm

References

  • TI-2020-00848 Microsoft Browser Memory Corruption Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2018-06000 Type confusion in Microsoft ChakraCore KEVCVSS 3.1HIGH 7.5
  • TI-2019-00333 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2019-00359 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2018-00721 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
  • TI-2018-00720 Out-of-bounds write in Microsoft Edge CVSS 3.0HIGH 7.5
See all 254 →

Sources