CVE-2026-68839
critical · 9.8Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.
9.8
CVSS
1.0%
EPSS (exploit prob.)
63rd
EPSS percentile
2026-09-08
Published
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-20CWE-122
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| microsoft | windows_10_1607 | < 10.0.14393.9512 |
| microsoft | windows_10_1607 | < 10.0.14393.9512 |
| microsoft | windows_10_1809 | < 10.0.17763.9245 |
| microsoft | windows_10_1809 | < 10.0.17763.9245 |
| microsoft | windows_10_21h2 | < 10.0.19044.7725 |
| microsoft | windows_10_21h2 | < 10.0.19044.7725 |
| microsoft | windows_10_21h2 | < 10.0.19044.7725 |
| microsoft | windows_10_22h2 | < 10.0.19045.7725 |
| microsoft | windows_10_22h2 | < 10.0.19045.7725 |
| microsoft | windows_10_22h2 | < 10.0.19045.7725 |
| microsoft | windows_11_23h2 | < 10.0.22631.7582 |
| microsoft | windows_11_23h2 | < 10.0.22631.7582 |
| microsoft | windows_11_24h2 | < 10.0.26100.9445 |
| microsoft | windows_11_24h2 | < 10.0.26100.9445 |
| microsoft | windows_11_25h2 | < 10.0.26200.9445 |
| microsoft | windows_11_25h2 | < 10.0.26200.9445 |
| microsoft | windows_11_26h1 | < 10.0.28000.2954 |
| microsoft | windows_11_26h1 | < 10.0.28000.2954 |
| microsoft | windows_server_2012 | all versions |
| microsoft | windows_server_2012 | r2 |
| microsoft | windows_server_2016 | < 10.0.14393.9512 |
| microsoft | windows_server_2019 | < 10.0.17763.9245 |
| microsoft | windows_server_2022 | < 10.0.20348.5622 |
| microsoft | windows_server_2025 | < 10.0.26100.33438 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-68839