CVE-2026-41096
CRITICALMicrosoft Windows 11 version 22H3 - Windows DNS Client Remote Code Execution Vulnerability
Title source: ruleExploitation Summary
EIP tracks 7 public exploits for CVE-2026-41096. PoCs published by TwoSevenOneT, mrk336, personnumber3377.
AI-analyzed exploit summary This repository contains a Visual Studio project for a DLL proxy that exports numerous DNS API functions, likely designed to intercept or manipulate DNS-related operations. The presence of a detailed project structure and exported functions suggests it is a functional proof-of-concept for exploiting CVE-2026-41096.
Description
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
Exploits (7)
This repository contains a Visual Studio project for a DLL proxy that exports numerous DNS API functions, likely designed to intercept or manipulate DNS-related operations. The presence of a detailed project structure and exported functions suggests it is a functional proof-of-concept for exploiting CVE-2026-41096.
This repository provides a detailed technical analysis of CVE-2026-41096, a heap-based buffer overflow in Windows DNSAPI.dll. It includes an explanation of the vulnerability, exploitation scenarios, patch details, and defensive guidance, but does not contain functional exploit code.
The repository contains only a minimal README with no technical details or exploit code. It mentions CVE-2026-41096 but provides no actionable information or proof-of-concept.
This repository contains a functional proof-of-concept exploit for CVE-2026-41096, demonstrating a heap overflow in `DnsRawTruncateMessageForUdp()` via a crafted DNS response with `QDCOUNT=0` and a large OPT record. The exploit includes a rogue DNS server and a trigger client to confirm vulnerability.
This repository contains a functional PoC for CVE-2026-41096, targeting a vulnerability in the DnsQueryRaw function in Windows 11. The exploit involves a crafted DNS response with a malformed DNSRROPT record to trigger the bug.
The repository claims to be a PoC for CVE-2026-41096 but lacks actual exploit code, instead redirecting users to an external download link (tinyurl.com). The README contains vague descriptions and no technical details about the vulnerability.
The repository claims to provide a PoC for CVE-2026-41096, a critical heap-based buffer overflow in Microsoft Windows DNS, but only includes a README with vague details and a link to an external download (tinyurl). No actual exploit code is present.
References (1)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H