Microsoft · Security update · September 8, 2026

KB5002644: September 2026 security update

KB5002644, released September 8, 2026, fixes 2 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0129
70th percentile

Priority of the 2 CVEs

Patch now 0 Urgent 0 High 2 Routine 0

Applies to

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
High CVE-2026-81385 Microsoft Office Publisher Remote Code Execution 8.8 0.0129 Exploitation Less Likely
High CVE-2026-69742 Microsoft Office Publisher Remote Code Execution 8.8 0.0082 Exploitation Less Likely
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