Vulnerability in Microsoft Windows 10 Version 1607
CVE-2026-73025
Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2012
- Microsoft Windows Server 2012 R2
- Microsoft Windows Server 2012 R2 (Server Core Installation)
- Microsoft Windows Server 2012 (Server Core Installation)
- Microsoft Windows Server 2016
- Microsoft Windows Server 2016 (Server Core Installation)
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core Installation)
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-73025?
- CVE-2026-73025 is a critical-severity vulnerability in Microsoft Windows 10 Version 1607, classified under Weak Authentication. CVSS score: 9.8/10. Published 2026-09-08.
- How severe is CVE-2026-73025?
- Critical severity. CVSS v3 base score is 9.8 out of 10.