CVE-2026-58291 MEDIUM

CVE-2026-58291: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Vendor Microsoft
Product Microsoft Edge (Chromium-based)
Weakness CWE-672
Published July 3, 2026
Last update July 3, 2026

CVSS base score

6.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

Key dates

02Disclosure timeline

July 3, 2026 CVE published
July 3, 2026 Record updated

Related vulnerabilities

04Related CVE