Vulnerability Description
Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 21H2 | < 10.0.19044.7548 |
| Microsoft | Windows 10 22H2 | < 10.0.19045.7548 |
| Microsoft | Windows 11 24H2 | < 10.0.26100.8875 |
| Microsoft | Windows 11 25H2 | < 10.0.26200.8875 |
| Microsoft | Windows 11 26H1 | < 10.0.28000.2269 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5386 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33158 |
Related Weaknesses (CWE)
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50360PatchVendor Advisory
FAQ
What is CVE-2026-50360?
CVE-2026-50360 is a vulnerability with a CVSS score of 8.8 (HIGH). Incorrect implementation of authentication algorithm in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-50360?
CVE-2026-50360 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-50360?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 21H2, Microsoft Windows 10 22H2, Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1.