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OpenAdvisories
High · 7.8 CVE-2026-45457 EUVD-2026-35540GHSA-9wv7-96q7-32pc

Microsoft Word Remote Code Execution Vulnerability

Published Jun 9, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Description

Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 365 for Mac 1.0.0 – < 16.110.26061317 16.110.26061317
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 – < 16.110.26061317 16.110.26061317
Microsoft Microsoft Office LTSC for Mac 2024 16.0.0 – < 16.110.26061317 16.110.26061317

Advisories 3

References