CVE-2024-21378

Microsoft Outlook Remote Code Execution Vulnerability

CVE-2024-21378 is fixed in 2 products on 1 platform, first by KB5002543, released February 13, 2024. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent

CVSS

8.8

Important

Exploitation

More likely

Vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.1098

95th percentile

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Outlook 2016 (32-bit edition)	KB5002543	Feb 13, 2024
Microsoft Outlook 2016 (64-bit edition)	KB5002543	Feb 13, 2024

Details

Published
February 13, 2024
Weakness
Improper Control of Generation of Code ('Code Injection')
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21378

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