# CVE-2026-122985: Microsoft PowerShell XXE information disclosure

Source: https://junglewise.ai/threats/cve-2026-122985-improper-restriction-of-xml-external-entity-reference-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-122985 · Severity: medium · CVSS 6.1 · Published 2026-11-10

Microsoft PowerShell, a command-line tool and scripting language used by system administrators, contains an XML external entity (XXE) vulnerability that allows an attacker to read sensitive information from the system over the network. An attacker could exploit this to extract configuration files, credentials, or other confidential data without authorization.

## Quick answers

**Is CVE-2026-122985 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-122985 being exploited in the wild.

**How severe is CVE-2026-122985?** Medium severity, with a CVSS score of 6.1, published 10 November 2026.

**Which products and versions are affected?** PowerShell.

**Is there a fix for CVE-2026-122985?** 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-2026-122985 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-122985?** Check whether you run 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

PowerShell improperly restricts XML external entity (XXE) references, allowing an attacker to disclose sensitive information via network access. The vulnerability requires the ability to supply malicious XML input to the affected component. This is a classic XXE disclosure vulnerability enabling arbitrary file read or server-side request forgery capabilities depending on the XML parser configuration.

## Affected products

- PowerShell

## Timeline

- 2026-11-10: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122985](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-122985)