CVE-2025-53759

Microsoft Excel Remote Code Execution Vulnerability

CVE-2025-53759 is fixed in Office Online Server on 1 platform by KB5002752 (version ), released October 16, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0053

44th percentile

<p>Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Microsoft
Office Online Server		KB5002752	Oct 16, 2025

Details

Published
August 12, 2025
Weakness
Use of Uninitialized Resource
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53759

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