CVE-2026-72928: CWE-416: Use After Free in Microsoft Windows Server 2025
Description
CVE-2026-72928 is a use-after-free vulnerability in the Windows DNS component of Microsoft Windows Server 2025. It allows an authorized attacker with low privileges to execute code remotely over a network. The vulnerability affects Windows Server 2025 versions from 10.0.26100.0 up to but not including 10.0.26100.33438. A high-severity issue with a CVSS score of 7.5, an official fix is available from Microsoft.
CVSS v3.1
Score 7.5high
Affected software
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-72928) involves a use-after-free condition in the Windows DNS service on Microsoft Windows Server 2025. An authorized attacker with low privileges can exploit this flaw remotely to execute arbitrary code. The affected versions are Windows Server 2025 builds starting at 10.0.26100.0 and prior to 10.0.26100.33438. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an attacker with low privileges to execute arbitrary code remotely, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability, as indicated by the CVSS vector (C:H/I:H/A:H). There are no known exploits in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update for Windows Server 2025 that addresses CVE-2026-72928 as soon as possible. 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-2026-72928","vendor":"Microsoft"}]
Threat ID: 6aa04542acd9273b49fa9c77
Added to database: 09/08/2026, 17:26:26 UTC
Last enriched: 10/16/2026, 21:44:39 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 25
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