CVE-2026-70276

EUVD-2026-99716
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 16.46%
Affected Products (NVD)
VendorProductVersion
microsoft365_apps
𝑥
< 2609
microsoftoffice
𝑥
< 2609
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70276