Microsoft Windows DNS Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
MSRC compact vulnerability detail
CVE-2026-41096 · Windows DNS Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
Signals
Microsoft Windows DNS
Remote Code Execution
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Unlikely
CWE
Patch Diff
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Resolved binary override
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Description
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
FAQ / Articles
FAQ
How could an attacker exploit the vulnerability? An attacker could exploit this vulnerability by sending a specially crafted DNS response to a vulnerable Windows system, causing the DNS Client to incorrectly process the response and corrupt memory. In certain configurations, this could allow the attacker to run code remotely on the affected system without authentication.