What’s Vulnerable › Vulnerabilities

CVE-2026-57990: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-26 · updated 2026-10-28
• Weakness: CWE-552

Description

Files or directories accessible to external parties in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Affected products

• Microsoft Edge (Chromium): all versions
• Microsoft Edge (Chromium): all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57990

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