7.5
High
CVE-2026-50304 Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over…
Description
Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.9339 | 10.0.14393.9339 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.26226 | 6.2.9200.26226 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.26226 | 6.2.9200.26226 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.23291 | 6.3.9600.23291 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.23291 | 6.3.9600.23291 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9339 | 10.0.14393.9339 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9339 | 10.0.14393.9339 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5386 | 10.0.20348.5386 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.33158 | 10.0.26100.33158 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.33158 | 10.0.26100.33158 |
| Microsoft .NET Framework 3.5 3.5 | 3.5.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.7.2 4.7 | 4.7.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8 4.8 | 4.8.0 → latest | No fix stated |
| Microsoft .NET Framework 3.5 AND 4.8.1 4.8 | 4.8.1 → latest | No fix stated |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.7 | 4.7.0 → < 4.7.4143.0 | 4.7.4143.0 |
| Microsoft .NET Framework 4.8 4.8 | 4.8.0 → < 4.8.4803.0 | 4.8.4803.0 |
| Microsoft .NET Framework 4.8.1 4.8 | 4.8.0.0 → < 4.8.9340.0 | 4.8.9340.0 |
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