CVE-2026-70005
MEDIUMCVSS 5.9/10EPSS 0.57%
Last modified
CVE-2026-70005 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| 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-2026-70005?
Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.
How severe is CVE-2026-70005?
CVE-2026-70005 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2026-70005?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2026-70005?
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Scan your code nowSource: NVD / NIST