CVE-2026-32149
HIGHCVSS 7.3/10EPSS 0.32%
Last modified
CVE-2026-32149 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9060 |
| Microsoft | Windows 10 1809 | < 10.0.17763.8644 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7184 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7184 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.6936 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.8246 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.8246 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.1836 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9060 |
| Microsoft | Windows Server 2019 | < 10.0.17763.8644 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5020 |
| Microsoft | Windows Server 2022 23h2 | < 10.0.25398.2274 |
| Microsoft | Windows Server 2025 | < 10.0.26100.32690 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-32149?
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
How severe is CVE-2026-32149?
CVE-2026-32149 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2026-32149?
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.
Are you affected by CVE-2026-32149?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST