CVE-2026-73025: Windows iSCSI Security Feature Bypass Vulnerability
Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.
Other sources
Windows iSCSI Security Feature Bypass Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882
Event History
Frequently Asked Questions
Which Windows releases are identified as affected?
The listed products are Microsoft Windows 10 and Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.
Does exploitation require credentials or user interaction?
The CVSS vector indicates network-based exploitation with low attack complexity, no privileges required, and no user interaction required.
What could a successful exploit affect?
The CVSS vector rates confidentiality, integrity, and availability impact as high, with scope unchanged.