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CVE-2026-49181Windows DHCP Client Elevation of Privilege Vulnerability

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

9.8 CRITICALEPSS 1.17%Not in KEVNVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
9.8CRITICAL3.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5HIGH3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5HIGH3.1microsoft (CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Details

CVE ID
CVE-2026-49181
Status
Analyzed
Assigner (CNA)
microsoft
Published
Jul 14, 2026
Last modified
2026-11-01 17:33 UTC
Weaknesses
  • CWE-191 · Integer Underflow (Wrap or Wraparound)

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:32 UTC.