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OpenAdvisories
High · 7.5 CVE-2026-124227 EUVD-2026-122270GHSA-6475-4gm5-f8x6

Microsoft Office Outlook Remote Code Execution Vulnerability

Published Nov 10, 2026 · Updated Nov 12, 2026 · Assigned by microsoft

Description

Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – < https://aka.ms/OfficeSecurityReleases https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – < 16.0.14334.21048 16.0.14334.21048
Microsoft Microsoft Office LTSC 2024 16.0.0 – < 16.0.17932.21140 16.0.17932.21140

Advisories 2

References