CVE-2026-57991highCWE-59

CVE-2026-57991: high-severity vulnerability in Microsoft Edge (Chromium-based)

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.4epss 1.0%
Improper link resolution before file access ('link following') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Edge (Chromium-based)
Related CVEs — Microsoft Edge (Chromium-based)

In the same product, most dangerous first.

CVE-2026-96951HIGHWindows Shell Security Feature Bypass VulnerabilityEPSS 9.8%KEVCVE-2024-21388MEDIUMMicrosoft Edge (Chromium-based) Elevation of Privilege VulnerabilityEPSS 32.0%CVE-2023-33145MEDIUMMicrosoft Edge (Chromium-based) Information Disclosure VulnerabilityEPSS 8.6%CVE-2021-30615—CVE-2021-30615EPSS 5.6%CVE-2021-30614—CVE-2021-30614EPSS 4.5%CVE-2021-30616—CVE-2021-30616EPSS 4.1%