CVE-2025-61303

CVSS 9.8 Critical
  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Published: 2025-10-20T21:15:38.330
  • Last modified: 1761075085

Summary

🛡️ Vulnerability overview CVE-2025-61303 Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a vulnerability in its Windows behavioral analysis engine that allows a submitted malware sample to evade detection and cause denial-of-analysis. The vulnerability is triggered when a sample recursively spawns a large number of child processes, generating high log volume and exhausting system resources. As a result, key malicious behavior, including PowerShell execution and reverse shell activity, may not be recorded or reported,…

Technical details

    Severity & risk metrics

    CVSS: 9.8 (CRITICAL)

    Affected products & vendors

    Vendors not specified.

    Exploit & mitigation

    No vendor patch links provided.

    References & resources

    No references.


    🛡️ Vulnerability overview CVE-2025-61303

    Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a vulnerability in its Windows behavioral analysis engine that allows a submitted malware sample to evade detection and cause denial-of-analysis. The vulnerability is triggered when a sample recursively spawns a large number of child processes, generating high log volume and exhausting system resources. As a result, key malicious behavior, including PowerShell execution and reverse shell activity, may not be recorded or reported, misleading analysts and compromising the integrity and availability of sandboxed analysis results.

    📊 Technical details

    • Severity: CRITICAL
    • CVSS: 9.8
    • Vendor:
    • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

    🧩 Affected products

    • Not specified.
    • Update to the latest available version
    • Monitor logs and network traffic
    • Apply least-privilege and segment the network

    🔗 References

    • No related CVEs.

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    Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a vulnerability in its Windows behavioral analysis engine that allows a submitted malware sample to evade detection and cause denial-of-analysis. The vulnerability is triggered when a sample recursively spawns a large number of child processes, generating high log volume and exhausting system resources. As a result, key malicious behavior, including PowerShell execution and reverse shell activity, may not be recorded or reported, misleading analysts and compromising the integrity and availability of sandboxed analysis results.

    Related CVE by CWE

    No related CWE found.

    Top CVE for Vendor

    No vendor taxonomy on this entry.

    Recently Exploited Similar Vulnerabilities

    No recent KEV-listed items for this vendor/product.

    How to fix CVE-2025-61303

    CVE-2025-61303 is a critical severity vulnerability affecting the affected product.

    Description: Summary 🛡️ Vulnerability overview CVE-2025-61303 Hatching Triage Sandbox Windows 10 build 2004 (2025-08-14) and Windows 10 LTSC 2021(2025-08-14) contains a vulnerability in its Windows behavioral analysis engine that allows a submitted malware sample to evade detection and cause denial-of-analysis. The vulnerability is triggered when a sample recursively spawns a large number of child processes, generating […]

    Exploit Difficulty: EASY
    ⏱️ Time to exploit: < 1 hour
    🛠️ Required skills: Basic web security knowledge
    💰 Public exploits: Likely available

    How to Fix:

    1 Identify affected systems

    - Check if you're running the affected product

    2 Immediate actions

    - Update to the latest patched version
    - If patching is not immediately possible: restrict network exposure, apply least-privilege access

    3 Verification

    - Test the fix in a staging environment first
    - Review logs for signs of exploitation
    - Monitor for IOCs (Indicators of Compromise)

    4 Long-term prevention

    - Enable automatic security updates
    - Set up vulnerability monitoring
    - Review and harden security configurations

    Vendor Advisory: https://github.com/eGkritsis/CVE-2025-61303

    Exploit Difficulty Assessment

    EASY
    ⏱️ Time to Exploit: < 1 hour
    🛠️ Skills Required: Basic web security knowledge
    💰 Public Exploits: Likely available

    Vulnerability Timeline

    Oct 20, 2025
    Vulnerability Published

    CVE details first published to NVD database

    Jan 01, 1970
    Last Modified

    CVE details were updated

    Oct 28, 2025
    Imported to Database

    Added to this CVE tracking system

    Detection Rules & IOCs

    No specific detection rules generated for this vulnerability type.

    No vendor/product data available.