CVE-2026-50355: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
A stack-based buffer overflow vulnerability exists in Active Directory Federation Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability allows an unauthorized attacker to cause a denial of service over a network. The issue has a high severity rating with a CVSS score of 7.5. An official fix is available from Microsoft.
AI Analysis
Technical Summary
CVE-2026-50355 is a stack-based buffer overflow vulnerability in Active Directory Federation Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability can be exploited remotely without privileges or user interaction to cause a denial of service condition. Microsoft has published an official fix for this issue.
Potential Impact
The vulnerability allows an unauthenticated attacker to remotely cause a denial of service by triggering a stack-based buffer overflow in Active Directory Federation Services. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50355 to remediate this vulnerability.
CVE-2026-50355: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
A stack-based buffer overflow vulnerability exists in Active Directory Federation Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability allows an unauthorized attacker to cause a denial of service over a network. The issue has a high severity rating with a CVSS score of 7.5. An official fix is available from Microsoft.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50355 is a stack-based buffer overflow vulnerability in Active Directory Federation Services on Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This vulnerability can be exploited remotely without privileges or user interaction to cause a denial of service condition. Microsoft has published an official fix for this issue.
Potential Impact
The vulnerability allows an unauthenticated attacker to remotely cause a denial of service by triggering a stack-based buffer overflow in Active Directory Federation Services. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50355 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-2026-50355","vendor":"Microsoft"}]
Threat ID: 6a56769368715ace43f08d18
Added to database: 07/14/2026, 17:49:07 UTC
Last enriched: 07/15/2026, 00:19:24 UTC
Last updated: 07/15/2026, 00:19:24 UTC
Views: 2
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