What is CVE-2025-61303?

CVE-2025-61303 is a critical-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 9.8/10. Published 2025-10-20.

How severe is CVE-2025-61303?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-61303 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in N/a

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-o…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (33.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

eGkritsis/CVE-2025-61303

References

cve@mitre.org

Frequently asked questions

What is CVE-2025-61303?: CVE-2025-61303 is a critical-severity vulnerability in N/a, classified under Uncontrolled Resource Consumption. CVSS score: 9.8/10. Published 2025-10-20.
How severe is CVE-2025-61303?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-61303 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.