CVE-2026-45485

Microsoft Office Information Disclosure Vulnerability

State: Published
Severity: 3.3 Low
Published: Jun 9, 2026
Updated: Sep 24, 2026
Reserved: May 12, 2026

Description

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.

Scores

CVSS	Score	Vector	Source
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 2016Microsoft	16.0.0 to before 16.0.5556.1005Affected
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office 365 for MacMicrosoft	1.0.0 to before 16.110.26061317Affected
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2024Microsoft	16.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC for Mac 2021Microsoft	16.0.1 to before 16.110.26061317Affected
Microsoft Office LTSC for Mac 2024Microsoft	16.0.0 to before 16.110.26061317Affected
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5556.1005Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20153Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.19725.20384Affected

References

Microsoft Office Information Disclosure Vulnerabilityvendor-advisorypatch

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