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.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-73025
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-730250.92% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 58% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-73025 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedNCSC-2026-0353 [1.01] [M/H] Kwetsbaarheden verholpen in Microsoft Windowsncsc-nl
- unknownNCSC-2026-0353 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Windowsncsc-nl
- criticalCVE-2026-73025: Weak authentication in Windows iSCSI allows an unauthorized attacker to bypass a security feat…nvd
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