CVE-2026-57991

HIGH

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

Improper link resolution before file access ('link following') 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-2026-57991

Scores

CVSS v3 7.4
EPSS 0.0075
EPSS Percentile 50.5%
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-59
Status published
Products (2)
microsoft/edge_chromium < 150.0.4078.48
Microsoft/Microsoft Edge (Chromium-based) 1.0.0.0 - 150.0.4078.48
Published Jul 03, 2026
Tracked Since Jul 04, 2026