CVE-2026-119991: Microsoft Configuration Manager weak authentication

CVE-2026-119991 · Severity: medium · CVSS 5.9 · Published 2026-11-10

Microsoft Configuration Manager uses weak authentication mechanisms that allow an attacker on the network to access sensitive information without proper credentials. This could expose confidential configuration data, system details, or other sensitive information stored in Configuration Manager to unauthorized parties.

Technologies: Microsoft Configuration Manager. Vendors: Microsoft.

Quick answers

Is CVE-2026-119991 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-119991 being exploited in the wild.
How severe is CVE-2026-119991?
Medium severity, with a CVSS score of 5.9, published 10 November 2026.
Which products and versions are affected?
Microsoft Configuration Manager.
Is there a fix for CVE-2026-119991?
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-2026-119991 attacked?
It is attacked over the network.
Am I affected by CVE-2026-119991?
Check whether you run Microsoft Configuration Manager. 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

The vulnerability involves weak authentication in Microsoft Configuration Manager, allowing network-based attackers to bypass authentication controls and disclose information. An attacker on the network can access sensitive data without proper authorization. No fix or mitigation details are available from the advisory references provided.

Affected products

  • Microsoft Configuration Manager

References

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