Is CVE-2026-85805 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-85805 being exploited in the wild.

How severe is CVE-2026-85805?

Medium severity, with a CVSS score of 6.5, published 13 October 2026.

Is there a fix for CVE-2026-85805?

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-2026-85805 attacked?

It is attacked over the network, in an operating system.

Am I affected by CVE-2026-85805?

Check whether you run Microsoft Windows PowerShell. 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.

CVE-2026-85805: Microsoft Windows PowerShell security check bypass

CVE-2026-85805 · Severity: medium · CVSS 6.5 · Published 2026-10-13

Windows PowerShell, a command-line automation tool used widely in enterprise environments, contains a flaw in its security check implementation that allows an attacker to bypass a security feature. An attacker with network access could exploit this to circumvent intended security controls, potentially gaining unauthorized access or executing unintended operations on affected systems.

Technologies: Microsoft Windows PowerShell. Vendors: Microsoft.

Quick answers

Is CVE-2026-85805 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-85805 being exploited in the wild.
How severe is CVE-2026-85805?: Medium severity, with a CVSS score of 6.5, published 13 October 2026.
Which products and versions are affected?: Microsoft Windows PowerShell.
Is there a fix for CVE-2026-85805?: 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-2026-85805 attacked?: It is attacked over the network, in an operating system.
Am I affected by CVE-2026-85805?: Check whether you run Microsoft Windows PowerShell. 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 improperly implemented security check in Windows PowerShell fails to properly validate a security-relevant control, allowing an attacker to bypass the intended protection. The vulnerability is exploitable over the network without requiring prior authentication. A fix is available from Microsoft.

Affected products

Microsoft Windows PowerShell

Timeline

2026-10-13: advisory

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85805

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