What is the CVSS score of CVE-2025-54905?

CVE-2025-54905 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of 365 Apps are affected by CVE-2025-54905?

Organizations using Untrusted pointer dereference in Microsoft Office Word face moderate risk from CVE-2025-54905 rated CVSS 7.1. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-54905?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

365 Apps CVE-2025-54905

HIGH

Untrusted Pointer Dereference (CWE-822)

2025-09-09 secure@microsoft.com

Microsoft Information Disclosure 365 Apps Office Office Long Term Servicing Channel Sharepoint Enterprise Server Sharepoint Server Word

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

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:H/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:11 vuln.today

CVE Published

Sep 09, 2025 - 17:16 nvd

HIGH 7.1

DescriptionCVE.org

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally.

AnalysisAI

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-822. Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to disclose information locally. Affected products include: Microsoft 365 Apps, Microsoft Office, Microsoft Office Long Term Servicing Channel, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

CVE-2025-54905 vulnerability details – vuln.today

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