Vulnerability Intelligence Report
Windows Netlogon Remote Code Execution Vulnerability
CVE-2026-41089
Stack-based buffer overflow in Windows Netlogon allows an unauthorized attacker to execute code over a network.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:79.62%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-121 ↗CWE-121: Stack-based Buffer Overflow
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0 < 6.2.9200.26079 (affected) |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 < 6.2.9200.26079 (affected) |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 < 6.3.9600.23181 (affected) |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 < 6.3.9600.23181 (affected) |
| Microsoft | Windows Server 2016 | 10.0.14393.0 < 10.0.14393.9140 (affected) |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 < 10.0.14393.9140 (affected) |
| Microsoft | Windows Server 2019 | 10.0.17763.0 < 10.0.17763.8755 (affected) |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 < 10.0.17763.8755 (affected) |
| Microsoft | Windows Server 2022 | 10.0.20348.0 < 10.0.20348.5139 (affected) |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 < 10.0.25398.2330 (affected) |
| Microsoft | Windows Server 2025 | 10.0.26100.0 < 10.0.26100.32860 (affected) |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 < 10.0.26100.32860 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
79.622%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-04-16T19:12:36 |
| Published | 2026-05-12T16:58:50 |
| Patch Date | 2026-05-12 |
| Last Updated | 2026-08-10T15:12:59 |
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