CVE-2026-50324: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') in Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50324) is classified as CWE-835, describing a loop with an unreachable exit condition (infinite loop) in Microsoft .NET Framework 4.7.0's Active Directory Federation Services component. The infinite loop can be exploited by an unauthorized attacker remotely to cause a denial of service (DoS) condition. The CVSS 3.1 base score is 5.9 (medium severity), with network attack vector, high attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can remotely cause a denial of service by exploiting the infinite loop in AD FS, resulting in service disruption. 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 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 Microsoft .NET Framework 3.5 AND 4.7.2
Description
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
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, describing a loop with an unreachable exit condition (infinite loop) in Microsoft .NET Framework 4.7.0's Active Directory Federation Services component. The infinite loop can be exploited by an unauthorized attacker remotely to cause a denial of service (DoS) condition. The CVSS 3.1 base score is 5.9 (medium severity), with network attack vector, high attack complexity, no privileges or user interaction required, and impact limited to availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker can remotely cause a denial of service by exploiting the infinite loop in AD FS, resulting in service disruption. 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 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: 08/13/2026, 14:33:02 UTC
Last updated: 08/27/2026, 11:04:02 UTC
Views: 79
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