What is CVE-2026-50424?

CVE-2026-50424 is a high-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Untrusted Pointer Dereference. CVSS score: 7.5/10. Published 2026-07-14.

How severe is CVE-2026-50424?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Microsoft Windows 11 Version 24h2

CVE-2026-50424

Untrusted pointer dereference in Windows Domain Controller allows an unauthorized attacker to deny service over a network.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
Microsoft Windows 11 Version 25h2 — versions 10.0.26200.0
Microsoft Windows 11 Version 26h1 — versions 10.0.28000.0
Microsoft Windows Server 2025 — versions 10.0.26100.0
Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0

Weakness classification (CWE)

CWE-822 — Untrusted Pointer Dereference

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-50424?: CVE-2026-50424 is a high-severity vulnerability in Microsoft Windows 11 Version 24h2, classified under Untrusted Pointer Dereference. CVSS score: 7.5/10. Published 2026-07-14.
How severe is CVE-2026-50424?: High severity. CVSS v3 base score is 7.5 out of 10.