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CVE-2026-20919 is a high severity vulnerability with a CVSS score of 7.5. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
| Vendor | Product |
|---|---|
| Microsoft | Windows Server 2012 |
| Microsoft | Windows Server 2016 |
| Microsoft | Windows 10 1607 |
| Microsoft | Windows 10 22h2 |
| Microsoft | Windows 11 25h2 |
| Microsoft | Windows 11 24h2 |
| Microsoft | Windows Server 2022 23h2 |
| Microsoft | Windows 10 1809 |
| Microsoft | Windows 10 21h2 |
| Microsoft | Windows Server 2025 |
And 3 more...