CVE-2026-50495
MEDIUMCVSS 5.5/10EPSS 0.28%
Last modified
CVE-2026-50495 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1809 | < 10.0.17763.9020 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7548 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7548 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8875 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8875 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2269 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2525 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9020 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5386 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33158 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50495Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-50495?
Improper access control in Microsoft Windows DNS allows an authorized attacker to perform tampering locally.
How severe is CVE-2026-50495?
CVE-2026-50495 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-50495?
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
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Are you affected by CVE-2026-50495?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST