CVEvulnerability

CVE-2026-49181

9.8 CRITICAL Published 2026-07-14 Modified 2026-07-29 Official page ↗
Status
Analyzed
Published
2026-07-14
Last modified
2026-07-29
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-191

Description

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

Affected configurations

• microsoft windows 10 1607 (< 10.0.14393.9339) • microsoft windows 10 1809 (< 10.0.17763.9020) • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.9339) • microsoft windows server 2019 (< 10.0.17763.9020) • microsoft windows server 2022 (< 10.0.20348.5386) • microsoft windows server 2025 (< 10.0.26100.33158)

Related

Weakness · CWE (1)

  • CWE-191 Integer Underflow (Wrap or Wraparound) weakness

References