CVE-2026-96206: Microsoft Windows Subsystem for Linux information disclosure

CVE-2026-96206 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Windows Subsystem for Linux contains a memory initialization flaw that allows an authenticated attacker to read sensitive information from uninitialized memory. An attacker with local access to the system could exploit this to disclose confidential data such as cryptographic keys, passwords, or other protected information.

Technologies: Microsoft Windows Subsystem For Linux. Vendors: Microsoft.

Quick answers

Is CVE-2026-96206 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-96206 being exploited in the wild.
How severe is CVE-2026-96206?
Medium severity, with a CVSS score of 6.5, published 13 October 2026.
Which products and versions are affected?
Microsoft Windows Subsystem for Linux.
Is there a fix for CVE-2026-96206?
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-2026-96206 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2026-96206?
Check whether you run Microsoft Windows Subsystem For Linux. 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 uninitialized resource in Windows Subsystem for Linux can be exploited by an authorized local attacker to read sensitive memory contents. The vulnerability requires prior authentication and local access to the system. Successful exploitation results in information disclosure through the reading of uninitialized memory regions.

Affected products

  • Microsoft Windows Subsystem for Linux

Timeline

  • 2026-10-13: disclosed

References

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