KB5002923: CVEs fixed (Windows update (KB))

KB5002923 fixes 1 tracked CVE. Affected systems and fixed versions.

• CVE-2026-78509 CRITICAL 9.8 MITIGATE MITIGATE Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a

Applies to

• Microsoft Word 2016 (32-bit edition) · fixed in 16.0.5569.1000
• Microsoft Word 2016 (64-bit edition) · fixed in 16.0.5569.1000

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