CVE-2026-62745

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

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - secure@microsoft.com

Published

2026-08-11

Last modified

2026-10-28

Weaknesses

CWE-125, CWE-191

Affected products

• Windows 10 1607 (Microsoft)
• Windows 10 1809 (Microsoft)
• Windows Server 2012 (Microsoft)
• Windows Server 2012 R2 (Microsoft)
• Windows Server 2016 (Microsoft)
• Windows Server 2019 (Microsoft)
• Windows Server 2022 (Microsoft)
• Windows Server 2025 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62745