CVE-2026-72950: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-72950 is a heap-based buffer overflow vulnerability in Microsoft Windows 10 Version 1607's Routing and Remote Access Service (RRAS). This flaw allows an attacker with limited privileges to execute remote code on the affected system without user interaction. The vulnerability has a high severity rating with a CVSS score of 8.8. Official patches are available from Microsoft to address this issue.
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 (CVE-2026-72950) is a heap-based buffer overflow in the Windows Routing and Remote Access Service (RRAS) affecting multiple builds of Windows 10, including Version 1607 and later updates. Exploitation could lead to remote code execution, granting attackers unauthorized access to the victim's machine. The CVSS 3.1 score is 8.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has released official fixes for all affected versions. No known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation allows remote code execution with limited privileges, potentially leading to full compromise of the affected Windows 10 system. Confidentiality, integrity, and availability of the system are all impacted. The vulnerability does not require user interaction and can be triggered remotely over the network.
Mitigation Recommendations
Microsoft has released official patches for all affected Windows 10 versions. Users and administrators should apply these updates promptly to mitigate the vulnerability. Since an official fix is available, no additional workarounds are required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:14:23.517Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72950","vendor":"Microsoft"}]
Threat ID: 6aa04546acd9273b49fa9cf7
Added to database: 09/08/2026, 17:26:30 UTC
Last enriched: 10/16/2026, 21:46:25 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 29
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