9.8
Critical
CVE-2026-49172 Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network
Description
Heap-based buffer overflow in Windows FTP Service allows an unauthorized attacker to execute code over a network.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 Version 1607 10.0 | 10.0.14393.0 → < 10.0.14393.9339 | 10.0.14393.9339 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
| Windows 10 Version 21H2 10.0 | 10.0.19044.0 → < 10.0.19044.7548 | 10.0.19044.7548 |
| Windows 10 Version 22H2 10.0 | 10.0.19045.0 → < 10.0.19045.7548 | 10.0.19045.7548 |
| Windows 11 Version 23H2 10.0 | 10.0.22631.0 → < 10.0.22631.7376 | 10.0.22631.7376 |
| Windows 11 Version 24H2 10.0 | 10.0.26100.0 → < 10.0.26100.8875 | 10.0.26100.8875 |
| Windows 11 Version 25H2 10.0 | 10.0.26200.0 → < 10.0.26200.8875 | 10.0.26200.8875 |
| Windows 11 version 26H1 10.0 | 10.0.28000.0 → < 10.0.28000.2525 | 10.0.28000.2525 |
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
Show the 4 other branches Hide the 4 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.9020 | 10.0.17763.9020 |
| Windows Server 2022 10.0 | 10.0.20348.0 → < 10.0.20348.5386 | 10.0.20348.5386 |
| Windows Server 2025 10.0 | 10.0.26100.0 → < 10.0.26100.33158 | 10.0.26100.33158 |
| Windows Server 2025 (Server Core installation) 10.0 | 10.0.26100.0 → < 10.0.26100.33158 | 10.0.26100.33158 |
References
- Windows FTP Service Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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