dbcve.org
Windows Admin CenterApplication · Microsoft

CVE-2026-56185

MEDIUM · 6.5 CVSS v3.1 Published 2026-07-14
Fix available
A fix is available. Upgrade to 2511 or later.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable Zero-click 5 weeks old

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Improper authentication in Windows Admin Center allows an authorized attacker to disclose information over a network.

In the news

Third-party coverage
Trending covered by 1 outlet this week · latest 1mo ago

Surfaced from public web coverage — external links open in a new tab.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Windows Admin Center contains an improper authentication vulnerability that allows an authorized attacker to bypass authentication mechanisms and disclose sensitive information over a network. The vulnerability stems from insufficient validation of authentication credentials during certain network-based operations.

MitigationApply Microsoft security updates for Windows Admin Center when released. Until then, limit network exposure to Windows Admin Center interfaces, enforce strict network segmentation, and monitor for unusual authentication patterns or unauthorized information access attempts.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Windows Admin CenterApplication
Affected:>= 1809, < 2511

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Check if Windows Admin Center is installed
    Open PowerShell and run: Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like '*Admin Center*'} or check Programs and Features for 'Windows Admin Center'
    Affected if Windows Admin Center appears in installed programs
  2. Determine the installed version
    In PowerShell, run: Get-WmiObject -Class Win32_Product | Where-Object {$_.Name -like '*Admin Center*'} | Select-Object Name, Version. Alternatively, check the version in Programs and Features
    Affected if Version is shown as a four-part number like X.X.X.XXXX where the first part is 1809 or higher and the full version is below 2511
  3. Compare version to affected range
    The affected range is versions >= 1809 and < 2511. Note that Windows Admin Center uses a 4-digit version format where the first number represents the build year-month (e.g., 1809 = September 2018, 2511 = November 2025)
    Affected if The installed version falls within >= 1809 and < 2511
  4. Verify network exposure of the Admin Center service
    Check if Windows Admin Center is listening on network interfaces by running: Get-NetTCPConnection -State Listen | Where-Object {$_.LocalPort -eq '6516'} (default port) or check the configured port in the Windows Admin Center settings
    Affected if The service is bound to a network interface (0.0.0.0 or specific IP) rather than localhost only

You are affected if Windows Admin Center is installed with a version between 1809 and 2511 (exclusive) AND the service is accessible over the network.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 2511 or later
Fixed in 2511
Interim mitigation

Apply Microsoft security updates for Windows Admin Center when released. Until then, limit network exposure to Windows Admin Center interfaces, enforce strict network segmentation, and monitor for unusual authentication patterns or unauthorized information access attempts.

Recommended fix High confidence

Windows Admin Center 2511 or later

  1. 1. Identify the current Windows Admin Center version by checking Help > About in the Windows Admin Center interface
  2. 2. If the installed version is 1809 or later but earlier than 2511, the system is vulnerable
  3. 3. Download Windows Admin Center version 2511 or later from the official Microsoft Download Center
  4. 4. Backup the Windows Admin Center configuration and settings before upgrading
  5. 5. Install the updated Windows Admin Center version, following standard upgrade procedures
  6. 6. Verify the upgrade was successful by checking the version in Help > About
  7. 7. Test Windows Admin Center functionality to ensure proper operation after the upgrade

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Windows Admin Center Scoped from the published advisory
  • Consultation4.0 h
  • Implementation2.0 h
  • Testing6.0 h
  • Review / QA3.0 h
15.0 hours of engineering $2,600
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,160.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-56185 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data