Authenticated code execution via use-after-free
Published Sep 11, 2026 · Updated Sep 12, 2026
Use after free in Microsoft Edge before 152.0.4191.52 allows remote authenticated users to execute code through network input. Microsoft has not disclosed the affected Edge component or how network input reaches the freed object. Exploitation requires low-privilege authorization and high-complexity conditions, with code execution crossing the browser's security scope.
Summary
What happened
Use after free in Microsoft Edge before 152.0.4191.52 allows remote authenticated users to execute code through network input. Microsoft has not disclosed the affected Edge component or how network input reaches the freed object. Exploitation requires low-privilege authorization and high-complexity conditions, with code execution crossing the browser's security scope.
The record
- CVE
- CVE-2026-70341
- Published
- Sep 11, 2026
- Updated
- Sep 12, 2026
- Vendor
- Microsoft
- Product
- Microsoft Edge for Android
- Classifications
- CWE-416, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 11, 2026CVE publishedPublication date reported by the CVE source.
- Sep 12, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.0.0 <152.0.4191.52
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.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo