CVE-2026-62904: CWE-863: Incorrect Authorization in Microsoft Microsoft Edge (Chromium-based)
Description
CVE-2026-62904 is an incorrect authorization vulnerability in Microsoft Edge (Chromium-based) that allows unauthorized attackers to disclose information over a network. It has a medium severity 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, identified as CVE-2026-62904 and categorized under CWE-863 (Incorrect Authorization), affects Microsoft Edge (Chromium-based). It allows an unauthorized attacker to gain access to information over a network due to improper authorization checks. The CVSS v3.1 score is 5.4, indicating medium severity. Microsoft has released an official fix for this vulnerability.
Potential Impact
The vulnerability enables unauthorized disclosure of information over a network, potentially exposing sensitive data. However, it does not allow for integrity or availability impacts. The medium severity reflects the limited but significant risk of information leakage.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the provided patch promptly to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-f65f-2957-5q66
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-62904"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- Remediation Level
- official-fix
- State
- PUBLISHED
Threat ID: 6a92f7f2acd9273b49e7e217
Added to database: 08/29/2026, 15:17:06 UTC
Last enriched: 10/08/2026, 22:45:55 UTC
Last updated: 10/11/2026, 18:48:20 UTC
Views: 25
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