CVE-2026-69405
mediumMissing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.
Vendor / product: Microsoft — windows 10 1607
Missing release of memory after effective lifetime in Windows DHCP Server allows an authorized attacker to deny service over an adjacent network.
CVSS
5.7
5.7 (CVSS v3.1)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2026-09-08 18:19
Modified: 2026-09-24 23:17
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
microsoft / windows_10_1607 <10.0.14393.9512
microsoft / windows_10_1809 <10.0.17763.9245
microsoft / windows_server_2012 all versions, r2
microsoft / windows_server_2016 <10.0.14393.9512
microsoft / windows_server_2019 <10.0.17763.9245
microsoft / windows_server_2022 <10.0.20348.5622
microsoft / windows_server_2025 <10.0.26100.33438
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69405
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69405
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69405 secure@microsoft.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗
