---
id: "CVE-2026-105557"
page: "https://infrastack.ai/live/CVE-2026-105557"
kind: "vulnerability"
aliases: ["CVE-2026-105557"]
title: "Windows DHCP Server leaks sensitive system information to unauthorized network attackers"
severity: "medium"
cvss: 5.9
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: [{"name": "Windows DHCP Server", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["dhcp", "infrastructure", "self-hosted", "windows", "windows-server"]
not_affected_if: ["dhcp-server-role-not-installed"]
published_at: "2026-11-10T19:17:58+00:00"
first_seen_at: "2026-11-10T19:24:19+00:00"
updated_at: "2026-11-10T20:00:09+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-105557", "first_seen_at": "2026-11-10T19:24:19+00:00"}]
exploit_sources: []
---

# Windows DHCP Server leaks sensitive system information to unauthorized network attackers

Link for people: https://infrastack.ai/live/CVE-2026-105557 (this .md is for agents)

Windows DHCP Server exposes sensitive system information to a party outside its intended control sphere. A network attacker can read that information remotely.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Windows DHCP Server affected range not listed fixed no fixed version listed

## How to check

- Check whether the DHCP Server role is installed on Windows Server hosts (unknown: sources do not give a check command)

## Timeline

- 2026-11-10T19:24:19+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-105557

## From the sources

Exposure of sensitive system information to an unauthorized control sphere in Windows DHCP Server allows an unauthorized attacker to disclose information over a network.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_