CVE-2026-57980: CWE-288: Authentication Bypass Using an Alternate Path or Channel in Microsoft Microsoft Edge (Chromium-based)
Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-288) in Microsoft Edge (Chromium-based) enables an attacker to bypass authentication mechanisms by using an alternate path or channel, potentially allowing unauthorized tampering over a network. The issue affects version 1.0.0.0 of the product. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An attacker who successfully exploits this vulnerability could bypass authentication controls and perform unauthorized tampering over the network. The impact is limited to confidentiality and integrity with no availability impact. 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 by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57980 to remediate this vulnerability.
CVE-2026-57980: CWE-288: Authentication Bypass Using an Alternate Path or Channel in Microsoft Microsoft Edge (Chromium-based)
Description
Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-288) in Microsoft Edge (Chromium-based) enables an attacker to bypass authentication mechanisms by using an alternate path or channel, potentially allowing unauthorized tampering over a network. The issue affects version 1.0.0.0 of the product. Microsoft has published an official fix to remediate this vulnerability.
Potential Impact
An attacker who successfully exploits this vulnerability could bypass authentication controls and perform unauthorized tampering over the network. The impact is limited to confidentiality and integrity with no availability impact. 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 by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57980 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-2026-57980","vendor":"Microsoft"}]
Threat ID: 6a5b401834329bf928c71355
Added to database: 07/18/2026, 08:58:00 UTC
Last enriched: 08/17/2026, 14:09:54 UTC
Last updated: 08/31/2026, 17:52:52 UTC
Views: 69
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