CVE-2025-62562

Microsoft Outlook Remote Code Execution Vulnerability

CVE-2025-62562 is fixed in 4 products on 1 platform, first by KB5002821, released December 9, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Unlikely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0081

57th percentile

<p>Use after free in Microsoft Office Outlook allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft SharePoint Enterprise Server 2016	KB5002821	Dec 9, 2025
Microsoft SharePoint Enterprise Server 2016	KB5002804	Dec 9, 2025
Microsoft SharePoint Server 2019	KB5002802	Dec 9, 2025
Microsoft SharePoint Server 2019	KB5002816	Dec 9, 2025
Microsoft Word 2016 (32-bit edition)	KB5002806	Dec 9, 2025
Microsoft Word 2016 (64-bit edition)	KB5002806	Dec 9, 2025

Details

Published
December 9, 2025
Weakness
Use After Free
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62562

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