CVE-2026-20948

HIGH

Microsoft Office Word - RCE

Title source: llm
STIX 2.1

Description

Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.

References (1)

Scores

CVSS v3 7.8
EPSS 0.0002
EPSS Percentile 6.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/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-822
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 - 16.105.26011018
Microsoft/Microsoft Office LTSC for Mac 2024 16.0.0 - 16.105.26011018
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5535.1001
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20083
Microsoft/Microsoft Word 2016 16.0.1 - 16.0.5535.1000
... and 6 more
Published Jan 13, 2026
Tracked Since Feb 18, 2026