CVE-2026-96017
MEDIUMCVSS 4.9/10
Last modified
CVE-2026-96017 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Use after free in DNS Server allows an authorized attacker to deny service over a network..
Description
Use after free in DNS Server allows an authorized attacker to deny service over a network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.9688 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.9688 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9487 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9487 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5870 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33822 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33822 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-96017?
Use after free in DNS Server allows an authorized attacker to deny service over a network.
How severe is CVE-2026-96017?
CVE-2026-96017 has a CVSS score of 4.9/10 (MEDIUM severity).
How do I fix CVE-2026-96017?
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.
Related CVEs from 2026
- CVE-2026-96007Use after free in Connected Devices Platform Service (Cdpsvc…7
- CVE-2026-96008Use after free in Windows Installer allows an authorized att…7
- CVE-2026-9601The Stackable – Page Builder Gutenberg Blocks plugin for Wor…6.4
- CVE-2026-96010Integer underflow (wrap or wraparound) in HID Parser Library…8.8
- CVE-2026-96012IBM Db2 Mirror for i 7.4, 7.5, and 7.6 is vulnerable to priv…9.9
- CVE-2026-96016Heap-based buffer overflow in Windows Local Security Authori…7.8
- CVE-2026-96018Weak authentication in Windows AppContainer allows an author…6.5
- CVE-2026-96019Concurrent execution using shared resource with improper syn…7
- CVE-2026-9602Mattermost Desktop App versions <=6.2 6.0.2 5.6.13.0 fail to…6.5
- CVE-2026-96020Out-of-bounds write in DNS Server allows an authorized attac…8.8
- CVE-2026-96022Use of uninitialized resource in Windows Text Services Frame…5.6
- CVE-2026-96023Use after free in Windows Push Notification Core allows an a…7.8
Are you affected by CVE-2026-96017?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
