Unauthenticated remote code execution
Published May 14, 2024 · Updated Aug 27, 2025
Remote code execution in Microsoft Windows Cryptographic Services allows remote attackers to execute code via network input. Microsoft identifies a heap-based buffer overflow but has not published the affected function, data format, or faulty memory operation. Exploitation requires no authentication or user interaction, but attack complexity is high; success grants code execution on the target.
Summary
What happened
Remote code execution in Microsoft Windows Cryptographic Services allows remote attackers to execute code via network input. Microsoft identifies a heap-based buffer overflow but has not published the affected function, data format, or faulty memory operation. Exploitation requires no authentication or user interaction, but attack complexity is high; success grants code execution on the target.
The record
- CVE
- CVE-2024-30020
- Published
- May 14, 2024
- Updated
- Aug 27, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-122, T1210
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- May 14, 2024CVE publishedPublication date reported by the CVE source.
- Aug 27, 2025Record 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=10.0.10240.0 <10.0.10240.20651
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
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Your stack
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