Remote code execution via undisclosed input validation flaw
Published Jul 3, 2026 · Updated Jul 3, 2026
Improper input validation in Microsoft Edge (Chromium-based) before 150.0.4078.48 allows remote attackers to execute code. Microsoft has not disclosed the affected component, the malformed input accepted, or the operation that converts that input into code execution. Exploitation requires a remote attacker to persuade a user to interact with attacker-controlled content, and successful execution can modify data and interrupt the browser.
Summary
What happened
Improper input validation in Microsoft Edge (Chromium-based) before 150.0.4078.48 allows remote attackers to execute code. Microsoft has not disclosed the affected component, the malformed input accepted, or the operation that converts that input into code execution. Exploitation requires a remote attacker to persuade a user to interact with attacker-controlled content, and successful execution can modify data and interrupt the browser.
The record
- CVE
- CVE-2026-57985
- Published
- Jul 3, 2026
- Updated
- Jul 3, 2026
- Vendor
- Microsoft
- Product
- Microsoft Edge (Chromium-based)
- Classifications
- CWE-20, T1204
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 3, 2026CVE publishedPublication date reported by the CVE source.
- Jul 3, 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 <150.0.4078.48
What conditions does exploitation require?
What is affected?
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.
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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