CVE-2026-69637
Medium
Description
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.
SeverityMedium
CVSS5.7
Exploit probability—
Product
Microsoft Windows
PublishedSep 8, 2026
First seenSep 8, 2026
Weakness typeCWE-125Out-of-bounds readCWE-843CWE-843
How to fix
Update
- microsoft windows_10_160710.0.14393.9512 or later
- microsoft windows_10_180910.0.17763.9245 or later
- microsoft windows_server_201610.0.14393.9512 or later
- microsoft windows_server_201910.0.17763.9245 or later
- microsoft windows_server_202210.0.20348.5622 or later
- microsoft windows_server_202510.0.26100.33438 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1607 | v < 10.0.14393.9512 | 10.0.14393.9512 |
| microsoft windows_10_1809 | v < 10.0.17763.9245 | 10.0.17763.9245 |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.9512 | 10.0.14393.9512 |
| microsoft windows_server_2019 | v < 10.0.17763.9245 | 10.0.17763.9245 |
| microsoft windows_server_2022 | v < 10.0.20348.5622 | 10.0.20348.5622 |
| microsoft windows_server_2025 | v < 10.0.26100.33438 | 10.0.26100.33438 |
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