CVE-2026-72933: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-72933 is a heap-based buffer overflow vulnerability in the Microsoft WDAC OLE DB provider for SQL on Windows 10 Version 1607 and other specified versions. This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity 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 involves a heap-based buffer overflow in the Microsoft Windows Defender Application Control (WDAC) OLE DB provider for SQL. It affects multiple builds of Windows 10, including Version 1607 and later versions up to certain build numbers. An attacker can exploit this vulnerability remotely without privileges to execute arbitrary code, potentially leading to full system compromise. The vulnerability is tracked as CWE-122 and has been assigned CVE-2026-72933. Microsoft has released official fixes for the affected versions.
Potential Impact
Successful exploitation allows an unauthorized attacker to execute arbitrary code remotely on affected Windows 10 systems. This can lead to complete compromise of confidentiality, integrity, and availability of the system. The vulnerability is exploitable over a network without requiring privileges, making it a significant security risk.
Mitigation Recommendations
Microsoft has released official patches addressing this vulnerability. Users and administrators should apply the updates provided by Microsoft for the affected Windows 10 versions as soon as possible to mitigate the risk. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-10T18:14:23.516Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72933","vendor":"Microsoft"}]
Threat ID: 6aa04544acd9273b49fa9ca6
Added to database: 09/08/2026, 17:26:28 UTC
Last enriched: 10/16/2026, 21:45:07 UTC
Last updated: 10/24/2026, 03:05:10 UTC
Views: 20
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