CVE-2026-83646: microsoft windows_10_1607, microsoft windows_10_1809, microsoft windows_server_2016

CVSS 5.4 (medium) · published 2026-10-13

Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an authorized attacker to perform spoofing over a network.

Affected products (NVD): microsoft windows_10_1607, microsoft windows_10_1809, microsoft windows_server_2016, microsoft windows_server_2019, microsoft windows_server_2022, microsoft windows_server_2025

Fixed in (NVD): 10.0.14393.9612, 10.0.17763.9376, 10.0.20348.5761, 10.0.26100.33650

Weakness: CWE-601

Source: NVD CVE-2026-83646

References

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