Description
Integer overflow or wraparound in Microsoft Office allows an authorized attacker to elevate privileges locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26134
Scores
CVSS v3
7.8
EPSS
0.0035
EPSS Percentile
27.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-190
CWE-416
Status
published
Products (3)
microsoft/365_copilot
< 16.0.19822.20000
Microsoft/Microsoft Office for Android
16.0.1 - 16.0.19822.20000
microsoft/office
< 16.0.19822.20000
Published
Mar 10, 2026
Tracked Since
Mar 11, 2026