Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
A high-severity remote code execution vulnerability (CVE-2026-58294) affects Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is related to use-after-free issues (CWE-416). 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 published yet.
AI Analysis
Technical Summary
CVE-2026-58294 is a use-after-free vulnerability (CWE-416) in Microsoft Edge (Chromium-based) that could allow remote code execution. The affected versions include all versions up to and including 150.0.4078.48. The vulnerability was disclosed by the Microsoft Security Response Center but no official patch or mitigation guidance 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. This could lead to full compromise of the user's browser context. However, no active exploitation has been observed so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until a fix is available, users should exercise caution when browsing untrusted sites and consider applying any temporary mitigations recommended by Microsoft once published.
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Description
A high-severity remote code execution vulnerability (CVE-2026-58294) affects Microsoft Edge (Chromium-based) versions up to and including 150.0.4078.48. The vulnerability is related to use-after-free issues (CWE-416). 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 published yet.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58294 is a use-after-free vulnerability (CWE-416) in Microsoft Edge (Chromium-based) that could allow remote code execution. The affected versions include all versions up to and including 150.0.4078.48. The vulnerability was disclosed by the Microsoft Security Response Center but no official patch or mitigation guidance 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. This could lead to full compromise of the user's browser context. However, no active exploitation has been observed so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. Until a fix is available, users should exercise caution when browsing untrusted sites and consider applying any temporary mitigations recommended by Microsoft once published.
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-2026-58294
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a498aa727e9c79719378881
Added to database: 07/04/2026, 22:35:19 UTC
Last enriched: 07/04/2026, 22:51:41 UTC
Last updated: 07/05/2026, 02:51:10 UTC
Views: 3
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