CVE-2026-57986 Details
Description
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
A use-after-free vulnerability has been identified in Microsoft Edge (Chromium-based), allowing an unauthorized attacker to execute code remotely. This vulnerability requires user interaction, as it involves convincing a user to open a specially crafted file or visit a malicious website.
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-2026-57986 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft edge chromium | < 150.0.4078.48 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 7, 2026 | Initial Analysis | [email protected] |
| Jul 7, 2026 | CVE Modified | CISA-ADP |
| Jul 6, 2026 | CVE Modified | CISA-ADP |
| Jul 3, 2026 | New CVE Received | [email protected] |