CVE-2026-54121 Active Directory Certificate Services Elevation of Privilege Vulnerability

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CVE-2026-54121 Active Directory Certificate Services Elevation of Privilege Vulnerability

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CVE-2026-54121

CVE-2026-54121 affects Active Directory Certificate Services (AD CS). Root cause: improper authorization allowing an authorized attacker to elevate privileges over the network. Impact: elevation of privilege with high CVSS (8.8) per Microsoft-assigned metrics. Remediation: Microsoft has released ...

CVE-2026-50684 Active Directory Federation Server Spoofing Vulnerability

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CVE-2026-50684

CVE-2026-50684 (AD FS spoofing) : The vulnerability is described as improper neutralization of input during web page generation (XSS) in Active Directory Federation Services, enabling an authorized attacker to perform spoofing over the network. The CVSS v3.1 base metrics indicate a Medium severit...

CVE-2026-50684 Active Directory Federation Server Spoofing Vulnerability

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CVE-2026-50647

Loop with unreachable exit condition 'infinite loop' in Active Directory Federation Services AD FS allows an unauthorized attacker to deny service over a network...

CVE-2026-50647 Active Directory Federation Server Denial of Service Vulnerability

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CVE-2026-50647

CVE-2026-50647: AD FS denial-of-service due to an infinite loop in AD FS. Public sources (NVD/EUVD/NCSC, CIRCL sighting, MSRC) confirm a network-exploitable condition causing service disruption; no exploitation details provided in the docs. Microsoft has released updates addressing the vulnerabil...

CVE-2026-50647 Active Directory Federation Server Denial of Service Vulnerability

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CVE-2026-50411

Stack-based buffer overflow in Active Directory Federation Services AD FS allows an unauthorized attacker to deny service over a network...

CVE-2026-50411

CVE-2026-50411 affects Active Directory Federation Services (AD FS) and is described as a stack-based buffer overflow that enables a remote attacker to cause a denial of service over the network. Public references in the connected documents confirm the DoS impact and Microsoft has released update...

CVE-2026-50411 Windows Active Directory Federation Services Denial of Service Vulnerability

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CVE-2026-50411 Windows Active Directory Federation Services Denial of Service Vulnerability

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CVE-2026-50355

CVE-2026-50355 is a vulnerability in Active Directory Federation Services (AD FS) described as a stack-based buffer overflow that enables a remote, unauthenticated attacker to cause a denial of service over the network. The CVSS v3.1 base score is 7.5 (Network, Low attack complexity, No privilege...

CVE-2026-50355 Windows Active Directory Federation Services Denial of Service Vulnerability

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CVE-2026-50355

Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network...

CVE-2026-50355 Windows Active Directory Federation Services Denial of Service Vulnerability

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CVE-2026-50366 Windows Active Directory Domain Services Denial of Service Vulnerability

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CVE-2026-50366

CVE-2026-50366 describes a Denial of Service in Windows Active Directory Domain Services caused by a null pointer dereference. The vulnerability is exploitable over the network with no user interaction, requiring low privileges and network access from an authenticated attacker; the impact is deni...