CVE-2026-57986: CWE-416: Use After Free in Microsoft Microsoft Edge (Chromium-based)
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-416 (Use After Free), affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables remote code execution by exploiting a use-after-free condition. The vulnerability requires no privileges but user interaction is needed, and the attack complexity is high. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely, potentially leading to full compromise of the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57986 to remediate this vulnerability.
CVE-2026-57986: CWE-416: Use After Free in Microsoft Microsoft Edge (Chromium-based)
Description
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-416 (Use After Free), affects Microsoft Edge (Chromium-based) version 1.0.0.0. It enables remote code execution by exploiting a use-after-free condition. The vulnerability requires no privileges but user interaction is needed, and the attack complexity is high. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely, potentially leading to full compromise of the affected system. The vulnerability impacts confidentiality, integrity, and availability with high severity.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57986 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-26T17:45:44.854Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57986","vendor":"Microsoft"}]
Threat ID: 6a48210127e9c79719accb56
Added to database: 07/03/2026, 20:52:17 UTC
Last enriched: 07/03/2026, 21:04:57 UTC
Last updated: 07/03/2026, 22:52:00 UTC
Views: 2
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