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9.8
CVE-2026-41089: Windows Netlogon Buffer Overflow Risk
CVE-2026-41089
Summary
An attacker can remotely execute malicious code on a Windows system by exploiting a weakness in the Netlogon service. This could allow the attacker to take control of the system and potentially spread to other machines. To protect your network, apply the latest security patches and ensure that your Windows systems are up to date.
Original title
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
Original description
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
nvd CVSS3.1
9.8
Vulnerability type
CWE-121
Stack-based Buffer Overflow
Published: 12 May 2026 · Updated: 2 Jun 2026 · First seen: 13 May 2026