---
id: "CVE-2026-121675"
page: "https://infrastack.ai/live/CVE-2026-121675"
kind: "vulnerability"
aliases: ["CVE-2026-121675"]
title: "Microsoft PowerShell: XML external entity flaw lets attackers read information over network"
severity: "medium"
cvss: 6.1
epss: null
exploited: false
status: "open"
category: "runtime"
products: [{"name": "PowerShell", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["powershell", "runtime", "windows"]
not_affected_if: []
published_at: "2026-11-10T19:20:31+00:00"
first_seen_at: "2026-11-10T19:25:09+00:00"
updated_at: "2026-11-10T19:58:29+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-121675", "first_seen_at": "2026-11-10T19:25:09+00:00"}]
exploit_sources: []
---

# Microsoft PowerShell: XML external entity flaw lets attackers read information over network

Link for people: https://infrastack.ai/live/CVE-2026-121675 (this .md is for agents)

Microsoft PowerShell does not properly restrict XML external entity references, so an unauthorized attacker can disclose information over a network. The sources give no further detail on which data is exposed or which PowerShell versions are affected.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:PowerShell affected range not listed fixed no fixed version listed

## Timeline

- 2026-11-10T19:25:09+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-121675

## From the sources

Improper restriction of xml external entity reference in Microsoft PowerShell allows an unauthorized attacker to disclose information over a network.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_