Microsoft · Security update · September 8, 2026

KB5002916: September 2026 security update

KB5002916, released September 8, 2026, fixes 18 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
18
5 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0092
60th percentile

Priority of the 18 CVEs

Patch now 0 Urgent 5 High 3 Routine 10

Applies to

Product
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Word 2016 (32-bit edition)
Microsoft Word 2016 (64-bit edition)

CVEs this fix closes

PriorityCVEComponentImpactCVSSEPSSExploitation
Urgent CVE-2026-81955 Microsoft Graphics Component Remote Code Execution 8.8 0.0084 Exploitation Unlikely
Urgent CVE-2026-69285 Microsoft Office Remote Code Execution 8.8 0.0082 Exploitation Less Likely
Urgent CVE-2026-78505 Microsoft Office Remote Code Execution 8.8 0.0082 Exploitation Less Likely
Urgent CVE-2026-81952 Microsoft Office Word Remote Code Execution 8.8 0.0082 Exploitation Less Likely
Urgent CVE-2026-78510 Microsoft Office Remote Code Execution 8.4 0.0037 Exploitation Less Likely
High CVE-2026-69442 Microsoft Office Remote Code Execution 8.8 0.0082 Exploitation Less Likely
High CVE-2026-69764 Microsoft Office Word Remote Code Execution 8.8 0.0082 Exploitation Unlikely
High CVE-2026-78524 Microsoft Office Remote Code Execution 8.8 0.0082 Exploitation Less Likely
Routine CVE-2026-69626 Microsoft Office Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-69734 Microsoft Office Word Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-69739 Microsoft Office Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-72974 Microsoft Office Excel Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-78515 Microsoft Office Excel Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-80087 Microsoft Office Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-80088 Microsoft Office Word Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-80089 Microsoft Office Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-80091 Microsoft Office Information Disclosure 6.5 0.0092 Exploitation Less Likely
Routine CVE-2026-64918 Microsoft Office Spoofing 6.5 0.0087 Exploitation Less Likely
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