Windows 10 2016 build 14393.8868 (KB5075999) — release notes, known issues

Windows 10 · 2016 · Release · Security update (Patch Tuesday)

February 10, 2026—KB5075999 (OS Build 14393.8868)

All 2016 builds JSON — this build from the builds API

Known issues — reported on the forum

No problems reported on the forum for this build yet. Threads that name 14393.8868 or KB5075999 and describe a fault appear here automatically.

Fix CVE-2016-9841: How zlib's inffast.c UB fix improves security Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Issue CVE-2016-9840: The Zlib Pointer Bug and the Correctness Fix Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Fix CVE-2016-3959: Go DSA Verify DoS Fix and Early Validation Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Coverage Azure Linux Lynx CVE-2016-9179 Attestation: Not All Microsoft Products Are Covered Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Coverage CVE-2016-8681: libdwarf DWARF parsing heap overflow in dwarfdump Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Coverage Azure Linux Attestation and CVE-2016-2781: Implications for Microsoft Artifacts Feb 18, 2026 · Windows 10 2016 coverage from this build's release window
Coverage Windows 2016 EOS EOL Plan: Migrate, Cloud, or ESU Options Feb 20, 2026 · Windows 10 2016 coverage from this build's release window
Fix January Updates Patch Windows 10 LTSB 2016 and Server 2016, ESU Boundaries Explained Feb 21, 2026 · Windows 10 2016 coverage from this build's release window

No member thread names 14393.8868 yet.