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TI-2018-00759 Aliases CVE-2018-0818GHSA-fv8m-p45w-gf38

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction…

Priority LOW 39Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".

Why it matters now

EPSS 0.03686 89th percentileScored 2026-11-07
Fix Fixed Microsoft.ChakraCore (NuGet): 1.8.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftChakraCoreChakraCore—No fix listedCNA
—Microsoft.ChakraCore (NuGet)before 1.8.01.8.0Patch availableGHSA-fv8m-p45w-gf38
  • ChakraCore VendorMicrosoft Affected ChakraCore Fixed in — No fix listed CNA
  • Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.8.0 Fixed in 1.8.0 Patch available GHSA-fv8m-p45w-gf38

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-fv8m-p45w-gf38 Microsoft.ChakraCore (NuGet) Fixed in 1.8.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-0818
  2. 2026-10-03 Alias added: GHSA-fv8m-p45w-gf38

References

Advisory 2

Other 4

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences