7.5
High
CVE-2026-65681 Null pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network
Description
Null pointer dereference in Windows iSCSI Target Service allows an unauthorized attacker to deny service over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.9418 | 10.0.14393.9418 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.9121 | 10.0.17763.9121 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.9418 | 10.0.14393.9418 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.9418 | 10.0.14393.9418 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.9121 | 10.0.17763.9121 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.9121 | 10.0.17763.9121 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5499 | 10.0.20348.5499 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.33296 | 10.0.26100.33296 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.33296 | 10.0.26100.33296 |
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