CVE-2026-72959: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
CVSS v3.1
Score 8.8high
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-72959 and categorized under CWE-122 (Heap-based Buffer Overflow), exists in the Windows Routing and Remote Access Service (RRAS) component of Microsoft Windows 10 Version 1607 and several other Windows 10 builds. The flaw allows remote code execution by an attacker with low privileges and no user interaction required. The CVSS 3.1 base score is 8.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary code remotely on the affected system, potentially gaining unauthorized access and full control. This compromises the confidentiality, integrity, and availability of the system.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72959 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:36:42.029Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72959","vendor":"Microsoft"}]
Threat ID: 6aa04548acd9273b49fa9d1f
Added to database: 09/08/2026, 17:26:32 UTC
Last enriched: 10/14/2026, 21:49:35 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 26
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