Description
Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26110
Scores
CVSS v3
8.4
EPSS
0.0049
EPSS Percentile
38.0%
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-843
Status
published
Products (15)
microsoft/365_apps
(2 CPE variants)
microsoft/365_copilot
< 16.0.19822.20000
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 for Android
16.0.1 - 16.0.19822.20000
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
... and 5 more
Published
Mar 10, 2026
Tracked Since
Mar 11, 2026