Description
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Windows Server 2019 | 10.0.17763.0 – < 10.0.17763.9121 | 10.0.17763.9121 |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 – < 10.0.17763.9121 | 10.0.17763.9121 |
| Microsoft | Windows Server 2022 | 10.0.20348.0 – < 10.0.20348.5499 | 10.0.20348.5499 |
| Microsoft | Windows Server 2025 | 10.0.26100.0 – < 10.0.26100.33296 | 10.0.26100.33296 |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 – < 10.0.26100.33296 | 10.0.26100.33296 |
Advisories 3
- WID-SEC-2026-2756 Microsoft Windows Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 30, 2026
- MSRC-CVE-2026-62817 Windows DNS Server Remote Code Execution Vulnerability Microsoft Security Response Center · Sep 8, 2026
- NCSC-2026-0284 Kwetsbaarheden verholpen in Microsoft Windows NCSC-NL (Netherlands) · Aug 11, 2026
References
- Windows DNS Server Remote Code Execution Vulnerability vendor-advisory patch