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CVE-2026-62716

MediumCVSS 6.5/10Last modified Sep 2, 2026

Description

Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125 CWE-191

Affected software

Vendor	Product	Versions
Microsoft	Windows Server 2012	>= 6.2.9200.0, < 6.2.9200.26280
Microsoft	Windows Server 2012 (Server Core installation)	>= 6.2.9200.0, < 6.2.9200.26280
Microsoft	Windows Server 2012 R2	>= 6.3.9600.0, < 6.3.9600.23338
Microsoft	Windows Server 2012 R2 (Server Core installation)	>= 6.3.9600.0, < 6.3.9600.23338
Microsoft	Windows Server 2016	>= 10.0.14393.0, < 10.0.14393.9418
Microsoft	Windows Server 2016 (Server Core installation)	>= 10.0.14393.0, < 10.0.14393.9418
Microsoft	Windows Server 2019	>= 10.0.17763.0, < 10.0.17763.9121
Microsoft	Windows Server 2019 (Server Core installation)	>= 10.0.17763.0, < 10.0.17763.9121
Microsoft	Windows Server 2022	>= 10.0.20348.0, < 10.0.20348.5499
Microsoft	Windows Server 2025	>= 10.0.26100.0, < 10.0.26100.33296
Microsoft	Windows Server 2025 (Server Core installation)	>= 10.0.26100.0, < 10.0.26100.33296

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62716Patch, Vendor Advisory

Timeline

Published: Aug 11, 2026
Last modified: Sep 2, 2026
NVD status: Analyzed

Related CVEs from 2026

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CVE-2026-62716: Medium severity, CVSS 6.5 | Vulnix