CVE-2025-62555

HIGH

Microsoft 365 Apps and Office - Use-After-Free

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 7.0
EPSS 0.0008
EPSS Percentile 24.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (16)
microsoft/365_apps (2 CPE variants)
Microsoft/Microsoft 365 Apps for Enterprise 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office 2019 19.0.0 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC 2021 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC 2024 16.0.0 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC for Mac 2021 16.0.1 - 16.104.25121423
Microsoft/Microsoft Office LTSC for Mac 2024 16.0.0 - 16.104.25121423
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5530.1000
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20075
Microsoft/Microsoft Word 2016 16.0.1 - 16.0.5530.1000
... and 6 more
Published Dec 09, 2025
Tracked Since Feb 18, 2026