9.8
Critical
CVE-2026-62878 Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network
Description
Stack-based buffer overflow in Windows DNS 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 → < 10.0.14393.9418 | 10.0.14393.9418 |
| Windows 10 Version 1809 10.0 | 10.0.17763.0 → < 10.0.17763.9121 | 10.0.17763.9121 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.26280 | 6.2.9200.26280 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.26280 | 6.2.9200.26280 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.23338 | 6.3.9600.23338 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.23338 | 6.3.9600.23338 |
| 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 |
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| Product | Affected versions | Fixed in |
|---|---|---|
| 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 |
References
- Windows DNS Server Remote Code Execution Vulnerability msrc.microsoft.com
Timeline
- Published
- Last modified
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