CVE-2026-58291 Details
Description
Operation on a resource after expiration or release in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.
A vulnerability in Microsoft Edge (Chromium-based) allows unauthorized attackers to disclose sensitive information over the network. This issue arises from operations on a resource after its expiration or release.
Users can download the security update for Microsoft Edge (Chromium-based) from the Microsoft Edge Release Notes - Security page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58291 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-672 | Operation on a Resource after Expiration or Release | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft edge chromium | < 150.0.4078.48 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 6, 2026 | Initial Analysis | [email protected] |
| Jul 6, 2026 | CVE Modified | CISA-ADP |
| Jul 3, 2026 | New CVE Received | [email protected] |