CVE-2026-50366: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
CVE-2026-50366 is a vulnerability in Microsoft Windows 10 Version 1607 where a null pointer dereference in Active Directory Domain Services can be triggered by an authorized attacker to cause a denial of service over the network. This issue has a medium severity rating with a CVSS score of 6.5. An official fix is available from Microsoft to address this vulnerability.
AI Analysis
Technical Summary
This vulnerability involves a null pointer dereference (CWE-476) in Active Directory Domain Services on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access can exploit this flaw to cause a denial of service condition over the network by triggering the null pointer dereference. The vulnerability does not impact confidentiality or integrity but affects availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
The vulnerability allows an authorized attacker to cause a denial of service (DoS) on affected systems by exploiting a null pointer dereference in Active Directory Domain Services. There is no impact on confidentiality or integrity. 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-2026-50366 to remediate this vulnerability.
CVE-2026-50366: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Description
CVE-2026-50366 is a vulnerability in Microsoft Windows 10 Version 1607 where a null pointer dereference in Active Directory Domain Services can be triggered by an authorized attacker to cause a denial of service over the network. This issue has a medium severity rating with a CVSS score of 6.5. An official fix is available from Microsoft to address this vulnerability.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a null pointer dereference (CWE-476) in Active Directory Domain Services on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access can exploit this flaw to cause a denial of service condition over the network by triggering the null pointer dereference. The vulnerability does not impact confidentiality or integrity but affects availability. Microsoft has published an official fix to remediate this issue.
Potential Impact
The vulnerability allows an authorized attacker to cause a denial of service (DoS) on affected systems by exploiting a null pointer dereference in Active Directory Domain Services. There is no impact on confidentiality or integrity. 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-2026-50366 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:48:26.815Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50366","vendor":"Microsoft"}]
Threat ID: 6a56769468715ace43f08d6c
Added to database: 07/14/2026, 17:49:08 UTC
Last enriched: 07/15/2026, 00:18:31 UTC
Last updated: 07/15/2026, 00:18:31 UTC
Views: 3
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