Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291
Source: Mitre, NVD
Published: 2026-07-03
Updated: 2026-07-03
Base Score: 5.4
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:N/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N