CVE-2026-70071
MEDIUMCVSS 5.5/10
Last modified
CVE-2026-70071 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally..
Description
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
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 2012 | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.9200.0, < 6.2.9200.26434 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.9600.0, < 6.3.9600.23470 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.9600.0, < 6.3.9600.23470 |
| 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-2026-70071?
Improper verification of cryptographic signature in DNS Server allows an authorized attacker to perform tampering locally.
How severe is CVE-2026-70071?
CVE-2026-70071 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-70071?
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-2026-70071?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST