CVE-2026-56185: Microsoft Windows Admin Center improper authentication

CVE-2026-56185 · Severity: medium · CVSS 6.5 · Published 2026-07-14

Microsoft Windows Admin Center, a management tool used by IT administrators to manage Windows servers and PCs, contains a security flaw. An authorized user on the network could exploit this weakness to access sensitive information they are not supposed to see. This could lead to the exposure of internal system data or configuration details, potentially aiding further attacks on the infrastructure.

Technologies: Microsoft Windows Admin Center. Vendors: Microsoft.

Quick answers

Is CVE-2026-56185 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-56185 being exploited in the wild.
How severe is CVE-2026-56185?
Medium severity, with a CVSS score of 6.5, published 14 July 2026.
Which products and versions are affected?
Microsoft Windows Admin Center 1809.0 to 2.6.5.16.
Is there a fix for CVE-2026-56185?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-56185 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-56185?
Check whether you run Microsoft Windows Admin Center at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An improper authentication vulnerability exists in Microsoft Windows Admin Center. The flaw, categorized under CWE-287 (Improper Authentication) and CWE-94 (Improper Control of Generation of Code), allows an attacker with low-privileged credentials to bypass certain security checks over the network. By exploiting this issue, an authenticated attacker can gain unauthorized access to sensitive information. The vulnerability affects versions starting from 1809.0 up to 2.6.5.16. Users are advised to update to the latest version provided by Microsoft to mitigate this risk.

Affected products

  • Microsoft Windows Admin Center 1809.0 to 2.6.5.16

Timeline

  • 2026-07-14: disclosed
  • 2026-07-14: advisory

References

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