Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows Server 2019 | affected |
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| Microsoft | Windows Server 2019 (Server Core installation) | affected |
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| Microsoft | Windows Server 2022 | affected |
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| Microsoft | Windows Server 2025 | affected |
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| Microsoft | Windows Server 2025 (Server Core installation) | affected |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Windows Server 2019 |
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| Microsoft | Windows Server 2019 (server Core Installation) |
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| Microsoft | Windows Server 2022 |
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| Microsoft | Windows Server 2025 |
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| Microsoft | Windows Server 2025 (server Core Installation) |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.628% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation) |
|
| Vendors & Products |
Microsoft windows Server 2019 (server Core Installation)
Microsoft windows Server 2025 (server Core Installation) |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network. | |
| Title | Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability | |
| First Time appeared |
Microsoft
Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025 |
|
| Weaknesses | CWE-1390 | |
| CPEs | cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* |
|
| Vendors & Products |
Microsoft
Microsoft windows Server 2019 Microsoft windows Server 2022 Microsoft windows Server 2025 |
|
| References |
| |
| Metrics |
cvssV3_1
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