What’s Vulnerable › Vulnerabilities

CVE-2018-8366

• Severity: low (CVSS 3.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-13 · updated 2026-06-17
• Weakness: CWE-200

Description

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.

Affected products

• Microsoft Edge: all versions

References

• http://www.securityfocus.com/bid/105253
• http://www.securitytracker.com/id/1041623
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8366
• http://www.securityfocus.com/bid/105253
• http://www.securitytracker.com/id/1041623
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8366

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