CVE-2026-57089: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-57089, involves a use-after-free condition in the srvnet.sys driver component of Windows 10 Version 1607. Exploitation could allow remote code execution by an attacker without privileges, though user interaction is required. The vulnerability is addressed by an official patch released by Microsoft.
Potential Impact
Successful exploitation could result in remote code execution with high impact on confidentiality, integrity, and availability. The attacker can execute arbitrary code remotely, potentially leading to full system compromise. No known exploits are reported in the wild at this time.
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-2026-57089 to remediate this vulnerability.
CVE-2026-57089: CWE-416: Use After Free in Microsoft Windows 10 Version 1607
Description
Use after free in Windows SMB Server Network Transport Driver (srvnet.sys) allows an unauthorized attacker to execute code over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-57089, involves a use-after-free condition in the srvnet.sys driver component of Windows 10 Version 1607. Exploitation could allow remote code execution by an attacker without privileges, though user interaction is required. The vulnerability is addressed by an official patch released by Microsoft.
Potential Impact
Successful exploitation could result in remote code execution with high impact on confidentiality, integrity, and availability. The attacker can execute arbitrary code remotely, potentially leading to full system compromise. No known exploits are reported in the wild at this time.
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-2026-57089 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-23T18:29:51.053Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57089","vendor":"Microsoft"}]
Threat ID: 6a5676bd68715ace43f0afd4
Added to database: 07/14/2026, 17:49:49 UTC
Last enriched: 08/13/2026, 15:54:04 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 44
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