Vulnerability Intelligence Report
Windows DNS Client Remote Code Execution Vulnerability
CVE-2026-41096
Heap-based buffer overflow in Microsoft Windows DNS 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:1.93%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-122 ↗CWE-122: Heap-based Buffer Overflow
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 < 10.0.22631.7079 (affected) |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 < 10.0.22631.7219 (affected) |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 < 10.0.26100.8457 (affected) |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 < 10.0.26200.8457 (affected) |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 < 10.0.28000.2113 (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
1.932%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-04-16T19:12:36 |
| Published | 2026-05-12T16:58:52 |
| Patch Date | 2026-05-12 |
| Last Updated | 2026-08-10T15:13:01 |
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