CVE-2026-57983: CWE-285: Improper Authorization in Microsoft Microsoft Edge (Chromium-based)
Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-57983) in Microsoft Edge (Chromium-based) involves improper authorization, enabling an attacker without privileges to bypass a security feature remotely. The CVSS 3.1 vector indicates network attack vector with high complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with no availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized attacker to bypass security controls in Microsoft Edge, potentially leading to full compromise of confidentiality and integrity of affected systems or data accessible via the browser. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57983 to remediate this vulnerability.
CVE-2026-57983: CWE-285: Improper Authorization in Microsoft Microsoft Edge (Chromium-based)
Description
Improper authorization in Microsoft Edge (Chromium-based) allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3.1
Score 8.7high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-57983) in Microsoft Edge (Chromium-based) involves improper authorization, enabling an attacker without privileges to bypass a security feature remotely. The CVSS 3.1 vector indicates network attack vector with high complexity, no privileges required, no user interaction, and impacts confidentiality and integrity with no availability impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an unauthorized attacker to bypass security controls in Microsoft Edge, potentially leading to full compromise of confidentiality and integrity of affected systems or data accessible via the browser. There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57983 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-2026-57983","vendor":"Microsoft"}]
Threat ID: 6a48210127e9c79719accb4d
Added to database: 07/03/2026, 20:52:17 UTC
Last enriched: 07/03/2026, 21:04:42 UTC
Last updated: 07/03/2026, 22:52:14 UTC
Views: 3
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