CVE-2026-57980: CWE-288: Authentication Bypass Using an Alternate Path or Channel in Microsoft Microsoft Edge (Chromium-based)
CVE-2026-57980 is an authentication bypass vulnerability in Microsoft Edge (Chromium-based) that allows an unauthorized attacker to perform tampering over a network by exploiting an alternate path or channel. The vulnerability affects version 1.0.0.0 of the product. It has a medium severity rating with a CVSS score of 5.4. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-57980) in Microsoft Edge (Chromium-based) involves an authentication bypass via an alternate path or channel, enabling unauthorized network-based tampering. The affected version is exactly 1.0.0.0. The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and partial confidentiality and integrity impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can bypass authentication mechanisms in Microsoft Edge (Chromium-based) version 1.0.0.0, potentially allowing unauthorized tampering over a network. The impact includes partial loss of confidentiality and integrity but does not affect availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update as detailed in the Microsoft 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
CVE-2026-57980 is an authentication bypass vulnerability in Microsoft Edge (Chromium-based) that allows an unauthorized attacker to perform tampering over a network by exploiting an alternate path or channel. The vulnerability affects version 1.0.0.0 of the product. It has a medium severity rating with a CVSS score of 5.4. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 5.4medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-57980) in Microsoft Edge (Chromium-based) involves an authentication bypass via an alternate path or channel, enabling unauthorized network-based tampering. The affected version is exactly 1.0.0.0. The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and partial confidentiality and integrity impact. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can bypass authentication mechanisms in Microsoft Edge (Chromium-based) version 1.0.0.0, potentially allowing unauthorized tampering over a network. The impact includes partial loss of confidentiality and integrity but does not affect availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the provided security update as detailed in the Microsoft 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: 07/18/2026, 09:00:15 UTC
Last updated: 07/18/2026, 09:46:11 UTC
Views: 5
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