Unauthenticated service interruption via out-of-bounds read
Published Jan 9, 2024 · Updated Jun 17, 2025
Out-of-bounds read in the Microsoft AllJoyn API in affected Windows releases allows remote attackers to interrupt service over a network. Microsoft has not published the affected function, input field, or operation that reads beyond its buffer. Exploitation requires network access to an enabled AllJoyn service and causes a service interruption without reported data disclosure or modification.
Summary
What happened
Out-of-bounds read in the Microsoft AllJoyn API in affected Windows releases allows remote attackers to interrupt service over a network. Microsoft has not published the affected function, input field, or operation that reads beyond its buffer. Exploitation requires network access to an enabled AllJoyn service and causes a service interruption without reported data disclosure or modification.
The record
- CVE
- CVE-2024-20687
- Published
- Jan 9, 2024
- Updated
- Jun 17, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- CWE-125, T1499.004
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 9, 2024CVE publishedPublication date reported by the CVE source.
- Jun 17, 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 <10.0.10240.20402
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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