Microsoft · Security update · May 12, 2026

KB5002865: May 2026 security update

KB5002865, released May 12, 2026, fixes 3 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0041
35th percentile

Priority of the 3 CVEs

Patch now 0 Urgent 0 High 3 Routine 0

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
High CVE-2026-40360 Microsoft Office Excel Information Disclosure 7.8 0.0041 Exploitation Unlikely
High CVE-2026-40359 Microsoft Office Excel Remote Code Execution 7.8 0.0033 Exploitation Less Likely
High CVE-2026-40362 Microsoft Office Excel Remote Code Execution 7.8 0.0033 Exploitation Less Likely
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