CVE-2026-103576
MEDIUMCVSS 6.5/10
Last modified
CVE-2026-103576 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network..
Description
Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.9612 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33650 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33650 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-103576?
Url redirection to untrusted site ('open redirect') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-103576?
CVE-2026-103576 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-103576?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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Are you affected by CVE-2026-103576?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST