Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2026-58287 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 use-after-free issues (CWE-416). No CVSS score or detailed vendor advisory information is currently available. No known exploits in the wild have been reported. Patch status is not confirmed; no official fixes or patch links are provided.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-58287) in Microsoft Edge (Chromium-based) involves a use-after-free condition (CWE-416) that could allow remote code execution. It affects versions up to and including 150.0.4078.48. The Microsoft Security Response Center has published the advisory but has not provided detailed patch or mitigation information. There are no known exploits 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.
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 exercise caution when browsing untrusted sites and consider temporary mitigations recommended by Microsoft once available.
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Description
CVE-2026-58287 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 use-after-free issues (CWE-416). No CVSS score or detailed vendor advisory information is currently available. No known exploits in the wild have been reported. Patch status is not confirmed; no official fixes or patch links are provided.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-58287) in Microsoft Edge (Chromium-based) involves a use-after-free condition (CWE-416) that could allow remote code execution. It affects versions up to and including 150.0.4078.48. The Microsoft Security Response Center has published the advisory but has not provided detailed patch or mitigation information. There are no known exploits 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.
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 exercise caution when browsing untrusted sites and consider temporary mitigations recommended by Microsoft once available.
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-2026-58287
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a498aa727e9c797193788ee
Added to database: 07/04/2026, 22:35:19 UTC
Last enriched: 07/04/2026, 22:51:16 UTC
Last updated: 07/05/2026, 03:51:10 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.