Unauthenticated denial of service via undisclosed engine flaw
Published Apr 11, 2023 · Updated Feb 28, 2025
Denial of service in Microsoft Malware Protection Engine before 1.1.20200.4 allows remote attackers to interrupt antimalware scanning. Microsoft has not disclosed the affected engine component, triggering input, or resource-handling operation that fails. No authentication or user interaction is required; the consequence is limited to service interruption, and Microsoft does not state whether the engine hangs or crashes.
Summary
What happened
Denial of service in Microsoft Malware Protection Engine before 1.1.20200.4 allows remote attackers to interrupt antimalware scanning. Microsoft has not disclosed the affected engine component, triggering input, or resource-handling operation that fails. No authentication or user interaction is required; the consequence is limited to service interruption, and Microsoft does not state whether the engine hangs or crashes.
The record
- CVE
- CVE-2023-24860
- Published
- Apr 11, 2023
- Updated
- Feb 28, 2025
- Vendor
- Microsoft
- Product
- Microsoft Malware Protection Engine
- Classifications
- CWE-400, T1499
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Apr 11, 2023CVE publishedPublication date reported by the CVE source.
- Feb 28, 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=1.1.0.0 <1.1.20200.4
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.
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Technologies
Your stack
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Your stack
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