CVE-2026-41089: CWE-121: Stack-based Buffer Overflow in Microsoft Windows Server 2012
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-41089 and classified under CWE-121 (stack-based buffer overflow), affects Windows Server 2012 version 6.2.9200.0. It exists in the Netlogon service and enables remote code execution by an unauthenticated attacker. The CVSS v3.1 base score is 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code remotely on the affected Windows Server 2012 system, potentially leading to full system compromise with complete confidentiality, integrity, and availability impact.
Mitigation Recommendations
An official patch is available from Microsoft to address this vulnerability. Administrators should apply the update provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089 to remediate this issue.
CVE-2026-41089: CWE-121: Stack-based Buffer Overflow in Microsoft Windows Server 2012
Description
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-41089 and classified under CWE-121 (stack-based buffer overflow), affects Windows Server 2012 version 6.2.9200.0. It exists in the Netlogon service and enables remote code execution by an unauthenticated attacker. The CVSS v3.1 base score is 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code remotely on the affected Windows Server 2012 system, potentially leading to full system compromise with complete confidentiality, integrity, and availability impact.
Mitigation Recommendations
An official patch is available from Microsoft to address this vulnerability. Administrators should apply the update provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089 to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-16T19:12:36.194Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41089","vendor":"Microsoft"}]
Threat ID: 6a03655bcbff5d861008cb07
Added to database: 05/12/2026, 17:37:31 UTC
Last enriched: 06/19/2026, 17:41:15 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 198
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