Unauthenticated network information disclosure
Published Aug 28, 2026 · Updated Aug 29, 2026
Incorrect authorization in Microsoft Edge (Chromium-based) before 152.0.4191.53 allows remote attackers to disclose information over a network. Microsoft has not published the affected component, the protected resource, or how the authorization check mishandles attacker-controlled input. The attack is unauthenticated but requires user interaction; Microsoft reports information disclosure without service interruption.
Summary
What happened
Incorrect authorization in Microsoft Edge (Chromium-based) before 152.0.4191.53 allows remote attackers to disclose information over a network. Microsoft has not published the affected component, the protected resource, or how the authorization check mishandles attacker-controlled input. The attack is unauthenticated but requires user interaction; Microsoft reports information disclosure without service interruption.
The record
- CVE
- CVE-2026-62904
- Published
- Aug 28, 2026
- Updated
- Aug 29, 2026
- Vendor
- Microsoft
- Product
- Microsoft Edge (Chromium-based)
- Classifications
- CWE-863
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 28, 2026CVE publishedPublication date reported by the CVE source.
- Aug 29, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.0.0 <152.0.4191.53
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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