Vulnerability · Published Apr 8, 2025 · Assigned by microsoft

CVE-2025-27749Microsoft Office Remote Code Execution Vulnerability

High 7.8

In plain English

A high-severity use-after-free 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 1.1% (higher than 66% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)1.1%top 34.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2016 16.0.0 – before 16.0.5495.1002
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 16.96.25041326
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – before 16.96.25041326

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References