CVE-2024-21413

Product

Microsoft / Office Outlook

Vulnerability

Microsoft Outlook Improper Input Validation Vulnerability

Added to KEV

Feb 6, 2025

Remediate by

Feb 27, 2025

Known ransomware use

No

Summary 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.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413 ; https://nvd.nist.gov/vuln/detail/CVE-2024-21413