What is the CVSS score of CVE-2025-66332?

CVE-2025-66332 has a CVSS 3.1 base score of 3.3 (Low). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.0%.

Which versions of Microsoft are affected by CVE-2025-66332?

CVE-2025-66332 is a low-severity vulnerability (CVSS 3.3). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2025-66332?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Microsoft CVE-2025-66332

EUVD-2025-201672 LOW

Download of Code Without Integrity Check (CWE-494)

2025-12-08 psirt@huawei.com

Microsoft Denial Of Service

3.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.3 LOW

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 17:54 euvd

EUVD-2025-201672

Analysis Generated

Mar 15, 2026 - 17:54 vuln.today

CVE Published

Dec 08, 2025 - 09:15 nvd

LOW 3.3

DescriptionCVE.org

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.

Analysis

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.

Technical ContextAI

A denial of service vulnerability allows an attacker to disrupt the normal functioning of a system, making it unavailable to legitimate users. This vulnerability is classified as Download of Code Without Integrity Check (CWE-494).