Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2026-58276 is a high-severity remote code execution vulnerability affecting Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is associated with CWE-416 (Use After Free). No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild and no patch or remediation details have been disclosed yet.
AI Analysis
Technical Summary
This vulnerability in Microsoft Edge (Chromium-based) involves a use-after-free condition (CWE-416) that could allow remote code execution. It affects all versions up to and including 150.0.4078.48. The Microsoft Security Response Center has published an advisory identifier (msrc_CVE-2026-58276), but no patch or mitigation information is currently available. No known exploits have been reported in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely on affected Microsoft Edge browsers, potentially leading to full compromise of the user's environment. However, no active exploitation has been reported, and the exact impact details are not provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until an official fix is released, users should follow standard security best practices and monitor for updates from Microsoft.
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Description
CVE-2026-58276 is a high-severity remote code execution vulnerability affecting Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is associated with CWE-416 (Use After Free). No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild and no patch or remediation details have been disclosed yet.
Affected software
pkg:github/microsoft/edgeRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Microsoft Edge (Chromium-based) involves a use-after-free condition (CWE-416) that could allow remote code execution. It affects all versions up to and including 150.0.4078.48. The Microsoft Security Response Center has published an advisory identifier (msrc_CVE-2026-58276), but no patch or mitigation information is currently available. No known exploits have been reported in the wild at this time.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely on affected Microsoft Edge browsers, potentially leading to full compromise of the user's environment. However, no active exploitation has been reported, and the exact impact details are not provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until an official fix is released, users should follow standard security best practices and monitor for updates from Microsoft.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-58276
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a498aa827e9c79719379380
Added to database: 07/04/2026, 22:35:20 UTC
Last enriched: 07/04/2026, 22:37:48 UTC
Last updated: 07/05/2026, 02:51:10 UTC
Views: 4
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