CVE-2026-35436

HIGH

Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

Insufficient granularity of access control in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Microsoft Office Click-To-Run Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35436

Scores

CVSS v3 8.8
EPSS 0.0004
EPSS Percentile 14.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-1220
Status published
Products (8)
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/office 2019 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2021 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2024 (2 CPE variants)
Published May 12, 2026
Tracked Since May 12, 2026