Microsoft · Security update · September 8, 2026

KB5002914: September 2026 security update

KB5002914, released September 8, 2026, fixes 30 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

UrgentUnsupported product
CVEs closed
30
6 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Microsoft's assessment
Highest EPSS
0.0086
58th percentile

Priority of the 30 CVEs

Patch now 0 Urgent 6 High 12 Routine 12

Applies to

Product
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2016 (64-bit edition)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2026-81948 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
Urgent CVE-2026-81949 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Unlikely
Urgent CVE-2026-81950 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
Urgent CVE-2026-81951 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
Urgent CVE-2026-81953 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
Urgent CVE-2026-81959 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-78518 Microsoft Office ExcelRemote Code Execution8.8 0.0086 Exploitation Less Likely
High CVE-2026-81386 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81388 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Unlikely
High CVE-2026-81396 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Unlikely
High CVE-2026-81397 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81398 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81947 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81954 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81956 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81957 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81960 Microsoft Office ExcelRemote Code Execution7.8 0.0047 Exploitation Less Likely
High CVE-2026-81389 Microsoft Office ExcelRemote Code Execution7.0 0.0037 Exploitation Less Likely
Routine CVE-2026-81387 Microsoft Office ExcelInformation Disclosure5.5 0.0055 Exploitation Less Likely
Routine CVE-2026-81394 Microsoft Office ExcelInformation Disclosure5.5 0.0055 Exploitation Less Likely
Routine CVE-2026-81390 Microsoft Office ExcelInformation Disclosure5.5 0.0054 Exploitation Less Likely
Routine CVE-2026-81391 Microsoft Office ExcelInformation Disclosure5.5 0.0054 Exploitation Less Likely
Routine CVE-2026-81392 Microsoft Office ExcelInformation Disclosure5.5 0.0054 Exploitation Less Likely
Routine CVE-2026-81393 Microsoft Office ExcelInformation Disclosure5.5 0.0054 Exploitation Less Likely
Routine CVE-2026-81395 Microsoft Office ExcelInformation Disclosure5.5 0.0054 Exploitation Unlikely
Showing 1 to 25 of 30 1Next

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