CVE-2026-49178: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-49178 is a heap-based buffer overflow vulnerability in Active Directory Domain Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It allows an authorized attacker to execute code remotely over a network without user interaction. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in Active Directory Domain Services on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access can exploit this flaw over a network to execute arbitrary code, potentially leading to full system compromise. The issue is tracked as CVE-2026-49178 and is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has released an official patch to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected system, resulting in complete compromise of confidentiality, integrity, and availability. This can lead to system takeover and disruption of services relying on Active Directory Domain Services.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49178 to remediate this vulnerability.
CVE-2026-49178: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-49178 is a heap-based buffer overflow vulnerability in Active Directory Domain Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It allows an authorized attacker to execute code remotely over a network without user interaction. The vulnerability has a high severity with a CVSS score of 8.8. An official fix is available from Microsoft.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in Active Directory Domain Services on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access can exploit this flaw over a network to execute arbitrary code, potentially leading to full system compromise. The issue is tracked as CVE-2026-49178 and is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has released an official patch to address this vulnerability.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected system, resulting in complete compromise of confidentiality, integrity, and availability. This can lead to system takeover and disruption of services relying on Active Directory Domain Services.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49178 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-27T23:44:09.623Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49178","vendor":"Microsoft"}]
Threat ID: 6a566f6b68715ace43e6b3e1
Added to database: 07/14/2026, 17:18:35 UTC
Last enriched: 07/15/2026, 01:48:42 UTC
Last updated: 07/15/2026, 01:48:42 UTC
Views: 3
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