Firetruck

CVE-2024-21413

KEV
Updated Aug 10, 2026 · PUBLISHED
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Description

Microsoft Outlook contains an improper input validation vulnerability that allows for remote code execution. Successful exploitation of this vulnerability would allow an attacker to bypass the Office Protected View and open in editing mode rather than protected mode.

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Microsoft 365 Apps for EnterpriseMicrosoft / Microsoft 365 Apps for Enterprise>= 16.0.1, < https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Office 2016Microsoft / Microsoft Office 2016>= 16.0.0, < 16.0.5435.1001affected
Microsoft Office 2019Microsoft / Microsoft Office 2019>= 19.0.0, < https://aka.ms/OfficeSecurityReleasesaffected
Microsoft Office LTSC 2021Microsoft / Microsoft Office LTSC 2021>= 16.0.1, < https://aka.ms/OfficeSecurityReleasesaffected