TI-2018-06054 Aliases CVE-2018-8366 GHSA-m3qg-3g4c-5jwm

Information disclosure in Microsoft Edge

LOW 23CWE-200Published 2018-09-13 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: High
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type, aka "Microsoft Edge Information Disclosure Vulnerability." This affects Microsoft Edge.

Why it matters now

EPSS 0.05046 92nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems	—	No fix listed	CNA

Microsoft Edge VendorMicrosoft Affected Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:edge:-:::::::*	not specified by NVD	Vulnerable	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_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-8366
2026-10-03 Alias added: GHSA-m3qg-3g4c-5jwm

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8366

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Sources

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