KB5127646: CVEs fixed (Windows update (KB))

KB5127646 fixes 2 tracked CVEs. Affected systems and fixed versions.

• CVE-2026-70024 CRITICAL 9.8 UPGRADE UPGRADE Stack-based buffer overflow in Windows Internet Information Services allows an unauthorized attacker to execut
• CVE-2026-96219 CRITICAL 9.8 UPGRADE UPGRADE Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attac

Applies to

• Windows 11 Version 26H1 for ARM64-based Systems · fixed in 10.0.28000.3231
• Windows 11 version 26H1 for x64-based Systems · fixed in 10.0.28000.3231

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