CVE-2026-41089

Published: May 12, 2026Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.

Affected (7)

Products: Microsoft: Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2022 23h2, Windows Server 2025

6 products

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2022 23h2

Windows Server 2025

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.9140
Microsoft Windows Server 2019	Before 10.0.17763.8755
Microsoft Windows Server 2022	Before 10.0.20348.5074
Microsoft Windows Server 2022 23h2	Before 10.0.25398.2330
Microsoft Windows Server 2025	Before 10.0.26100.32772

Related CWEs

Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089

Source: secure@microsoft.com

Vendor Advisory

Timeline

No history available yet.