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 involves a use-after-free condition in the Windows SMB Server Network Transport Driver (srvnet.sys) on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthorized attacker to execute arbitrary code remotely over the network. The CVSS 3.1 vector indicates network attack vector with high complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability with high severity. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to execute arbitrary code remotely on the affected system, potentially leading to full compromise including confidentiality, integrity, and availability impacts.
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 involves a use-after-free condition in the Windows SMB Server Network Transport Driver (srvnet.sys) on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthorized attacker to execute arbitrary code remotely over the network. The CVSS 3.1 vector indicates network attack vector with high complexity, no privileges required, user interaction required, and impacts confidentiality, integrity, and availability with high severity. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to execute arbitrary code remotely on the affected system, potentially leading to full compromise including confidentiality, integrity, and availability impacts.
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: 07/14/2026, 18:34:54 UTC
Last updated: 07/14/2026, 20:03:48 UTC
Views: 2
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