CVE-2026-20944

HIGH

Microsoft Office Word - Code Injection

Title source: llm
STIX 2.1

Description

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

References (1)

Core 1
Core References

Scores

CVSS v3 8.4
EPSS 0.0003
EPSS Percentile 8.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-125
Status published
Products (6)
microsoft/365_apps (2 CPE variants)
Microsoft/Microsoft 365 Apps for Enterprise 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC for Mac 2021 16.0.1 - 16.105.26011018
Microsoft/Microsoft Office LTSC for Mac 2024 16.0.0 - 16.105.26011018
microsoft/office_long_term_servicing_channel 2021
microsoft/office_long_term_servicing_channel 2024
Published Jan 13, 2026
Tracked Since Feb 18, 2026