What’s Vulnerable › Vulnerabilities

CVE-2021-42307: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-30 · updated 2026-06-17

Description

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Affected products

• Microsoft Edge (Chromium): before 95.0.1020.30 — fixed in 95.0.1020.30
• Microsoft Edge (Chromium): from 1.0.0 before 95.0.1020.30 — fixed in 95.0.1020.30

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 95.0.1020.30; Microsoft Edge (Chromium) 95.0.1020.30. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42307
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42307

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