Is CVE-2025-61303 actively exploited?

No active exploitation of CVE-2025-61303 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-61303 be exploited remotely?

Yes. CVE-2025-61303 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-61303?

CVE-2025-61303 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2025-61303

CRITICAL

CVE-2025-61303

CWE-400Published: October 20, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2025-61303 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.