CVE-2026-58291

MEDIUM

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

Operation on a resource after expiration or release 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-2026-58291

Scores

CVSS v3 6.1
EPSS 0.0059
EPSS Percentile 43.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/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-672
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