CVE-2026-41089 Details
Description
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
A stack-based buffer overflow vulnerability has been identified in the Windows Netlogon component. This vulnerability allows an unauthorized attacker to execute code remotely over the network. The issue arises when the Netlogon service improperly handles specially crafted network requests, potentially enabling code execution on the affected system without requiring prior access or authentication.
Users can apply the security update for this vulnerability, which is included in the May 2026 Monthly Rollup, available through the Microsoft Update Catalog. For Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025, specific update details can be found in the Microsoft Knowledge Base articles linked in the 'Windows Server Update' section.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 13, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows server 2012 | r2 |
CPE
Remediation
| |
| microsoft windows server 2016 | < 10.0.14393.9140 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8755 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.5074 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.2330 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.32772 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 15, 2026 | Initial Analysis | [email protected] |
| May 12, 2026 | New CVE Received | [email protected] |