CVE-2026-45460

MEDIUM

Microsoft Office Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

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