CVE-2026-83906: Windows 11 version 23H2 10.0.22631.0 to before 10.0.22631.7652; +6 more affected products

Affected technology

Windows 11 version 23H2 · 10.0.22631.0 to before 10.0.22631.7652
Microsoft

Windows 11 Version 24H2 · 10.0.26100.0 to before 10.0.26100.9711
Microsoft

Windows 11 Version 25H2 · 10.0.26200.0 to before 10.0.26200.9711
Microsoft

Windows 11 version 26H1 · 10.0.28000.0 to before 10.0.28000.3231
Microsoft

Windows 11 Version 26H2 · 10.0.26300.0 to before 10.0.26300.9711
Microsoft

Windows Server 2025 · 10.0.26100.0 to before 10.0.26100.33650
Microsoft

Windows Server 2025 (Server Core installation) · 10.0.26100.0 to before 10.0.26100.33650
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

An unauthorized attacker can perform spoofing over a network. Vendor/CNA’s CVSS 3.1 assessment (base score 6.5/10) rates confidentiality impact as high; integrity and availability impact as none.