CVE-2026-57984: 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 (CVE-2026-57984) involves a use-after-free condition in Microsoft Edge (Chromium-based), which can be exploited by an attacker to execute arbitrary code remotely. The vulnerability requires network access but has a high attack complexity and requires user interaction. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code with high impact on confidentiality, integrity, and availability of the affected system. The vulnerability is exploitable remotely over a network but requires user interaction and has high attack complexity.
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-2026-57984 to remediate this vulnerability.
CVE-2026-57984: 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-57984) involves a use-after-free condition in Microsoft Edge (Chromium-based), which can be exploited by an attacker to execute arbitrary code remotely. The vulnerability requires network access but has a high attack complexity and requires user interaction. Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code with high impact on confidentiality, integrity, and availability of the affected system. The vulnerability is exploitable remotely over a network but requires user interaction and has high attack complexity.
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-2026-57984 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-2026-57984","vendor":"Microsoft"}]
Threat ID: 6a48210127e9c79719accb50
Added to database: 07/03/2026, 20:52:17 UTC
Last enriched: 08/10/2026, 13:40:33 UTC
Last updated: 08/16/2026, 00:41:14 UTC
Views: 108
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