CVE-2026-26113

HIGH

Microsoft Office - Memory Corruption

Title source: llm
STIX 2.1

Description

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

References (1)

Scores

CVSS v3 8.4
EPSS 0.0003
EPSS Percentile 7.4%
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-822
Status published
Products (18)
microsoft/365_apps (2 CPE variants)
Microsoft/Microsoft 365 Apps for Enterprise 16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office 2016 16.0.0 - 16.0.5543.1000
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 - 16.107.26030819
Microsoft/Microsoft Office LTSC for Mac 2024 16.0.0 - 16.107.26030819
Microsoft/Microsoft SharePoint Enterprise Server 2016 16.0.0 - 16.0.5543.1000
Microsoft/Microsoft SharePoint Server 2019 16.0.0 - 16.0.10417.20102
... and 8 more
Published Mar 10, 2026
Tracked Since Mar 11, 2026