What is the CVSS score of CVE-2025-30410?

CVE-2025-30410 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Windows are affected by CVE-2025-30410?

CVE-2025-30410 is a critical vulnerability enabling unauthenticated access to sensitive data with potential for unauthorized modification.

How to fix or mitigate CVE-2025-30410?

Within 24 hours: Inventory all systems running affected software and isolate critical instances from untrusted networks; notify stakeholders and activate incident response team. Within 7 days: Deploy compensating controls (network segmentation, WAF rules blocking unauthenticated requests, access restrictions); conduct forensic review for unauthorized access. Within 30 days: Monitor vendor security advisories for patch availability; plan immediate patching upon release; document all mitigation steps for compliance audit trail.

Windows CVE-2025-30410

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2026-02-20 security@acronis.com

Windows Linux macOS

9.8

CVSS 3.0

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 01:15 nvd

CRITICAL 9.8

DescriptionNVD

Sensitive data disclosure and manipulation due to missing authentication. The following products are affected: Acronis Cyber Protect Cloud Agent (Linux, macOS, Windows) before build 39870, Acronis Cyber Protect 16 (Linux, macOS, Windows) before build 39938, Acronis Cyber Protect 15 (Linux, macOS, Windows) before build 41800.