CVE-2026-50324: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') in Microsoft Windows 10 Version 1607
CVE-2026-50324 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 involving an infinite loop in Active Directory Federation Services (AD FS). This flaw allows an unauthorized attacker to cause a denial of service over a network by triggering a loop with an unreachable exit condition. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50324) is classified as CWE-835 (Loop with Unreachable Exit Condition) and affects Active Directory Federation Services (AD FS) in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw causes an infinite loop that can be exploited remotely by an unauthorized attacker to deny service. The CVSS v3.1 base score is 5.9, reflecting a medium severity with network attack vector, high attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication or user interaction to cause a denial of service condition by triggering an infinite loop in AD FS. This impacts system availability but does not affect confidentiality or integrity.
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-2026-50324 to remediate this vulnerability.
CVE-2026-50324: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') in Microsoft Windows 10 Version 1607
Description
CVE-2026-50324 is a medium severity vulnerability in Microsoft Windows 10 Version 1607 involving an infinite loop in Active Directory Federation Services (AD FS). This flaw allows an unauthorized attacker to cause a denial of service over a network by triggering a loop with an unreachable exit condition. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 5.9medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50324) is classified as CWE-835 (Loop with Unreachable Exit Condition) and affects Active Directory Federation Services (AD FS) in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw causes an infinite loop that can be exploited remotely by an unauthorized attacker to deny service. The CVSS v3.1 base score is 5.9, reflecting a medium severity with network attack vector, high attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication or user interaction to cause a denial of service condition by triggering an infinite loop in AD FS. This impacts system availability but does not affect confidentiality or integrity.
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-2026-50324 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.951Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50324","vendor":"Microsoft"}]
Threat ID: 6a56768f68715ace43f08c41
Added to database: 07/14/2026, 17:49:03 UTC
Last enriched: 07/15/2026, 00:34:07 UTC
Last updated: 07/15/2026, 00:34:07 UTC
Views: 2
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