---
schema_version: '1.0'
id: news-20260818-ac6126
title: Microsoft Copilot reveals secret input that allowed it to be hacked
url: https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked/
url_hash: ac6126c61ae7a87f3561b5f71ee61ed7b67f9bd9256c0587f490168329a10383
canonical_url: https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked
source: ArsTechnica
category: news/tech
category_raw: tech
region: usa
tags: []
lang: en
published_at: '2026-08-18T13:00:04Z'
fetched_at: '2026-08-18T22:19:34.247547Z'
updated_at: '2026-08-18T22:33:53Z'
status: published
content_hash: null
content_changed_at: null
license_note: link-only
summary: null
summary_source: null
summary_en: null
summary_omitted_reason: license_restricted
redistribution: false
keywords_en:
- allowed
- artificial intelligence
- Copilot
- Copilot AI
- hacked
- input
- Input_Sanitization
- Microsoft
- reveals
- secret
- secret input
- Social network that never died
- technology
- that
entities_en:
- name: Copilot AI
  type: artifact
- name: Input_Sanitization
  type: method
- name: Microsoft
  type: organization
- name: reveals
  type: UNKNOWN
- name: secret input
  type: concept
- name: Social network that never died
  type: UNKNOWN
topics_en:
- artificial intelligence
- technology
numeric_facts: []
entities:
- name: Microsoft
  type: organization
- name: Copilot AI
  type: artifact
- name: reveals
  type: UNKNOWN
- name: secret input
  type: concept
- name: Social network that never died
  type: UNKNOWN
key_facts: []
related: []
related_auto:
- name: Microsoft Copilot
  type: organization
  weight: 3.0
- name: Microsoft Mico
  type: organization
  weight: 1.0
- name: 'Lightweight LLM Inference: Energy Consumption & Power Waste'
  type: concept
  weight: 1.0
- name: Finger
  type: organization
  weight: 1.0
computed_at: null
sanitized_at: '2026-08-20T14:56:50.092484+00:00'
---

# Microsoft Copilot reveals secret input that allowed it to be hacked

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- (なし)

## Details
(本文なし。リンク先参照)

## Source
元記事: [Microsoft Copilot reveals secret input that allowed it to be hacked](https://arstechnica.com/security/2026/08/microsoft-copilot-reveals-secret-input-that-allowed-it-to-be-hacked/) — published 2026-08-18T13:00:04Z