Remote code execution via heap buffer overflow
Published Oct 17, 2024 · Updated Aug 19, 2026
Heap-based buffer overflow in Microsoft Edge before 130.0.2849.46 allows remote authenticated users to execute code via malicious web content. Microsoft has not disclosed the affected component or the specific operation that writes beyond a heap-allocated buffer. Exploitation requires user interaction with a malicious link and runs code in the renderer process, permitting data access, modification, or service interruption.
Summary
What happened
Heap-based buffer overflow in Microsoft Edge before 130.0.2849.46 allows remote authenticated users to execute code via malicious web content. Microsoft has not disclosed the affected component or the specific operation that writes beyond a heap-allocated buffer. Exploitation requires user interaction with a malicious link and runs code in the renderer process, permitting data access, modification, or service interruption.
The record
- CVE
- CVE-2024-43579
- Published
- Oct 17, 2024
- Updated
- Aug 19, 2026
- Vendor
- Microsoft
- Product
- Microsoft Edge (Chromium-based)
- Classifications
- CWE-122, T1203
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 17, 2024CVE publishedPublication date reported by the CVE source.
- Aug 19, 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 <130.0.2849.46
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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