CVE-2026-49181

CriticalCVSS 9.8/10Last modified Jul 29, 2026

Description

Integer underflow (wrap or wraparound) in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-191

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2026
Last modified
Jul 29, 2026
NVD status
Analyzed

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CVE-2026-49181: Critical severity, CVSS 9.8 | Vulnix