CVE-2025-49697

Microsoft Office Remote Code Execution Vulnerability

CVE-2025-49697 is fixed in 3 products on 1 platform, first by KB5002749, released July 8, 2025. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent

CVSS

8.4

Critical

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0054

45th percentile

<p>Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

Product	Fix	Released
Microsoft
Microsoft Office 2016 (32-bit edition)	KB5002742	Jul 15, 2025
Microsoft Office 2016 (32-bit edition)	KB5002749	Jul 8, 2025
Microsoft Office 2016 (64-bit edition)	KB5002742	Jul 15, 2025
Microsoft Office 2016 (64-bit edition)	KB5002749	Jul 8, 2025
Office Online Server	KB5002740	Jul 8, 2025

Details

Published
July 15, 2025
Weakness
Heap-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49697

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