CVE-2026-45460
MEDIUMMicrosoft Office Information Disclosure Vulnerability
Title source: cnaDescription
Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Microsoft Office Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45460
Scores
CVSS v3
4.7
EPSS
0.0036
EPSS Percentile
28.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-126
Status
published
Products (18)
microsoft/365_apps
(2 CPE variants)
microsoft/365_copilot
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 365 for Mac
-
Microsoft/Microsoft Office 365 for Mac
1.0.0 - 16.110.26061317
Microsoft/Microsoft Office for Android
-
Microsoft/Microsoft Office for Android
16.0.1 - 16.0.20131.20024
Microsoft/Microsoft Office LTSC 2021
16.0.1 - https://aka.ms/OfficeSecurityReleases
Microsoft/Microsoft Office LTSC 2024
16.0.0 - https://aka.ms/OfficeSecurityReleases
... and 8 more
Published
Jun 09, 2026
Tracked Since
Jun 09, 2026