CVE-2026-41096: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 version 22H3
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-41096) involves a heap-based buffer overflow in the DNS functionality of Microsoft Windows 11 version 22H3. An attacker can exploit this remotely without privileges or user interaction to execute arbitrary code, potentially leading to full system compromise. The vulnerability is classified under CWE-122. Microsoft has acknowledged the issue and provided an official patch to remediate it.
Potential Impact
Successful exploitation could allow remote code execution with system-level privileges, compromising confidentiality, integrity, and availability of affected systems. Given the network attack vector and lack of required privileges or user interaction, the vulnerability poses a significant risk to unpatched Windows 11 22H3 systems.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41096 as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
CVE-2026-41096: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 version 22H3
Description
Heap-based buffer overflow in Microsoft Windows DNS allows an unauthorized attacker to execute code over a network.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-41096) involves a heap-based buffer overflow in the DNS functionality of Microsoft Windows 11 version 22H3. An attacker can exploit this remotely without privileges or user interaction to execute arbitrary code, potentially leading to full system compromise. The vulnerability is classified under CWE-122. Microsoft has acknowledged the issue and provided an official patch to remediate it.
Potential Impact
Successful exploitation could allow remote code execution with system-level privileges, compromising confidentiality, integrity, and availability of affected systems. Given the network attack vector and lack of required privileges or user interaction, the vulnerability poses a significant risk to unpatched Windows 11 22H3 systems.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41096 as soon as possible to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-16T19:12:36.195Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41096","vendor":"Microsoft"}]
Threat ID: 6a03655ecbff5d861008cb8a
Added to database: 5/12/2026, 5:37:34 PM
Last enriched: 5/12/2026, 6:21:38 PM
Last updated: 5/13/2026, 4:49:45 AM
Views: 2
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