TI-2018-05982 Aliases CVE-2018-8276 GHSA-wg47-6cqc-q52j

A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine…

LOW 38Published 2018-07-11 · Updated 2024-08-05

Key facts

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

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

Summary

A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard (CFG) to be bypassed, aka "Scripting Engine Security Feature Bypass Vulnerability." This affects Microsoft Edge, ChakraCore.

Why it matters now

EPSS 0.0577 93rd percentileScored 2026-11-07

Fix Fixed Microsoft.ChakraCore (NuGet): 1.10.1

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Microsoft Edge	Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems	—	No fix listed	CNA
Microsoft	ChakraCore	ChakraCore	—	No fix listed	CNA
—	Microsoft.ChakraCore (NuGet)	before 1.10.1	1.10.1	Patch available	GHSA-wg47-6cqc-q52j

Microsoft Edge VendorMicrosoft Affected Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems Fixed in — No fix listed CNA
ChakraCore VendorMicrosoft Affected ChakraCore Fixed in — No fix listed CNA
Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.10.1 Fixed in 1.10.1 Patch available GHSA-wg47-6cqc-q52j

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:edge:-:::::::*	not specified by NVD	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10:1709:::::::*	1709	Running on	Microsoft
cpe:2.3:o:microsoft:windows_10:1803:::::::*	1803	Running on	Microsoft

cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Running on ·Microsoft
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft

Remediation

Fix · GHSA-wg47-6cqc-q52j Microsoft.ChakraCore (NuGet) Fixed in 1.10.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-8276
2026-10-03 Alias added: GHSA-wg47-6cqc-q52j

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8276

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2018-8276

Other 4

TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 761 →

Sources

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