Microsoft · Security update · September 9, 2025

KB5002776: September 2025 security update

KB5002776, released September 9, 2025, fixes 6 CVEs in Office Online Server. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
6
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0058
47th percentile

Priority of the 6 CVEs

Patch now 0 Urgent 0 High 6 Routine 0

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
High CVE-2025-54896 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Unlikely
High CVE-2025-54898 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Less Likely
High CVE-2025-54900 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Unlikely
High CVE-2025-54902 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Less Likely
High CVE-2025-54903 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Less Likely
High CVE-2025-54904 Microsoft Office Excel Remote Code Execution 7.8 0.0058 Exploitation Less Likely
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