Vulnerability · Published Sep 9, 2025 · Assigned by microsoft

CVE-2025-54905Microsoft Word Information Disclosure Vulnerability

High 7.1

In plain English

A high-severity security flaw in Microsoft 365 Apps for Enterprise from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.6%top 50.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2019 19.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2024 16.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – before 16.101.25091314
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – before 16.101.25091314
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5517.1000
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10417.20047
Microsoft Microsoft Word 2016 16.0.1 – before 16.0.5517.1000

Weakness: CWE-822 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C

References