CVE-2026-57976: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability involves a null pointer dereference (CWE-476) in Active Directory Domain Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker can exploit this flaw to cause a denial of service condition over the network, impacting availability. The CVSS v3.1 base score is 6.5, indicating a medium severity level. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) by causing the affected service to crash or become unavailable. There is no impact on confidentiality or integrity. The attacker must have some level of authorization to trigger the vulnerability. 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-2026-57976 to remediate this vulnerability.
CVE-2026-57976: CWE-476: NULL Pointer Dereference in Microsoft Windows 10 Version 1607
Description
Null pointer dereference in Active Directory Domain Services allows an authorized attacker to deny service over a network.
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 Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker can exploit this flaw to cause a denial of service condition over the network, impacting availability. The CVSS v3.1 base score is 6.5, indicating a medium severity level. Microsoft has released an official fix to remediate this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) by causing the affected service to crash or become unavailable. There is no impact on confidentiality or integrity. The attacker must have some level of authorization to trigger the vulnerability. 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-2026-57976 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-26T17:45:44.853Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57976","vendor":"Microsoft"}]
Threat ID: 6a566f8368715ace43e6c028
Added to database: 07/14/2026, 17:18:59 UTC
Last enriched: 07/14/2026, 17:34:42 UTC
Last updated: 07/15/2026, 03:35:55 UTC
Views: 11
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