Vulnerability Description
Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.
CVSS Score
5.1
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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-2026-50418PatchVendor Advisory
FAQ
What is CVE-2026-50418?
CVE-2026-50418 is a vulnerability with a CVSS score of 5.1 (MEDIUM). Improper access control in Windows System allows an unauthorized attacker to bypass a security feature locally.
How severe is CVE-2026-50418?
CVE-2026-50418 has been rated MEDIUM with a CVSS base score of 5.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-50418?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 24H2, Microsoft Windows 11 25H2, Microsoft Windows 11 26H1, Microsoft Windows Server 2022, Microsoft Windows Server 2025.