CVE-2026-73025
Windows iSCSI Security Feature Bypass vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-73025
- CWE
- CWE-1390
- Affected products
- Windows iSCSI Security Feature Bypass · Microsoft Windows iSCSI Security Feature Bypass · Microsoft
What happened
<p>Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.</p>
What it means for your business
Windows iSCSI Security Feature Bypass vulnerability (CVE-2026-73025) was added to Microsoft’s security update guidance. <p>Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feature over a network.</p> If you need help checking exposure, call (864) 335-9223.
CVSS score
9.8 (Critical)
EPSS probability
0.90%
Sources
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