Threat Advisory

Weak Authentication in Active Directory Federation Services Lets Attackers Bypass a Security Feature

Threat: Vulnerability
Targeted Region: Global
Targeted Sector: Technology & IT
Criticality: Medium
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EXECUTIVE SUMMARY:

Multiple security vulnerabilities have been identified in Active Directory, affecting Windows domain environments where directory services support authentication and access control. The issues are security feature bypass flaws that may allow a remote attacker to weaken protections that normally limit access, validate requests, or prevent unsafe behavior. Because domain services sit at the center of enterprise trust, the overall risk is elevated when directory services are reachable from many internal systems or poorly protected.

CVE-2026-69982: This is a security feature bypass vulnerability in Active Directory-related components. A remote attacker may be able to bypass a security control in a Windows domain environment, potentially reducing the effectiveness of protections that limit access or validate requests.[/subscribe_to_unlock_form]

EXECUTIVE SUMMARY:

Multiple security vulnerabilities have been identified in Active Directory, affecting Windows domain environments where directory services support authentication and access control. The issues are security feature bypass flaws that may allow a remote attacker to weaken protections that normally limit access, validate requests, or prevent unsafe behavior. Because domain services sit at the center of enterprise trust, the overall risk is elevated when directory services are reachable from many internal systems or poorly protected.

CVE-2026-69982: This is a security feature bypass vulnerability in Active Directory-related components. A remote attacker may be able to bypass a security control in a Windows domain environment, potentially reducing the effectiveness of protections that limit access or validate requests.[emaillocker id="1283"]

CVE-2026-96252: This is a security feature bypass vulnerability in Active Directory-related components. A remote attacker may be able to bypass a security control in a Windows domain environment, potentially allowing unauthorized activity that would otherwise be blocked or detected.

CVE-2026-108131: This is a security feature bypass vulnerability in Active Directory-related components. A remote attacker may be able to bypass a security control in a Windows domain environment, potentially weakening controls that prevent unsafe behavior or restrict privileged access.

These vulnerabilities collectively present a significant risk to organizations that rely on domain-based identity services, especially where internal systems can reach directory services or where attackers may already have a foothold. The most at risk are large enterprise networks with many connected systems, exposed or poorly protected domain services, and privileged accounts that grant broad access. Defenders should treat the issues as high priority and prioritize assessing their identity infrastructure.

RECOMMENDATIONS:

  • We recommend you to refer below link:
  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69982
  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96252
  • https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108131

REFERENCES:

The following reports contain further technical details:

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