CVE-2026-57990

HIGH

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Title source: cna

Description

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

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory patch

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

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

Scores

CVSS v3 7.4

EPSS 0.0094

EPSS Percentile 57.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-552

Status published

Products (1)

Microsoft/Microsoft Edge (Chromium-based) -

Published Jul 26, 2026

Tracked Since Jul 26, 2026