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9.3
CRITICAL CVSS 3.1
CVE-2025-32711
M365 Copilot Information Disclosure Vulnerability
Description

Ai command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

INFO

Published Date :

June 11, 2025, 2:15 p.m.

Last Modified :

Feb. 20, 2026, 5:25 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-32711 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft 365_copilot
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 CRITICAL [email protected]
CVSS 3.1 HIGH [email protected]
Solution
Update M365 Copilot to patch command injection vulnerability and prevent information disclosure.
  • Update M365 Copilot to the latest version.
  • Apply vendor patches promptly.
  • Review access controls and configurations.
Public PoC/Exploit Available at Github

CVE-2025-32711 has a 22 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-32711.

URL Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711 Vendor Advisory
https://www.aim.security/lp/aim-labs-echoleak-m365
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-32711 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-32711 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-6: Argument Injection Argument Injection CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-34: HTTP Response Splitting HTTP Response Splitting CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-76: Manipulating Web Input to File System Calls Manipulating Web Input to File System Calls CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-83: XPath Injection XPath Injection CAPEC-84: XQuery Injection XQuery Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-105: HTTP Request Splitting HTTP Request Splitting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-250: XML Injection XML Injection CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-273: HTTP Response Smuggling HTTP Response Smuggling

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Agent-Threat-Rule/agent-threat-rules

None

TypeScript

Updated: 21 hours, 29 minutes ago
0 stars 0 fork 0 watcher
Born at : March 9, 2026, 7:48 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
aifinalwarning/microsoft_benevolent_offramps

Open architecture for building AI platforms where benevolence is structural, not a policy statement. Fuses layered offramps (code → infra → network → financial → governance), safe interruptibility research, IAPS taxonomy, consent-first design, and a healing layer — grounded in real CVEs from Microsoft's 2025–26 ecosystem. Apache 2.0.

ai-alignment ai-governance ai-safety benevolent-ai consent-management kill-switch llm-security multi-agent-systems offramp post-quantum-cryptography prompt-injection red-teaming regenerative-design responsible-ai zero-trust safe-interruptibility

HTML

Updated: 1 day, 10 hours ago
0 stars 0 fork 0 watcher
Born at : March 8, 2026, 5:44 p.m. This repo has been linked 4 different CVEs too.
Profile Photo
panguard-ai/agent-threat-rules

29 detection rules for AI agent threats across 9 attack categories. Like Sigma, but for prompt injection, tool poisoning, MCP attacks, and skill compromise. RFC status.

agent-security ai-security llm-security mcp-security open-source prompt-injection sigma-rules threat-detection

TypeScript

Updated: 1 day, 6 hours ago
0 stars 0 fork 0 watcher
Born at : March 7, 2026, 4:55 p.m. This repo has been linked 8 different CVEs too.
Profile Photo
diegoamorosor/prompt-injection-guide

None

Updated: 4 days, 23 hours ago
0 stars 0 fork 0 watcher
Born at : March 5, 2026, 5:39 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
karpie28/red-teaming-the-robot

SCALE 23x talk: Practical Open Source Security for LLMs — Garak, PyRIT, guardrails, and live demos

HTML Python Shell

Updated: 1 day, 2 hours ago
5 stars 0 fork 0 watcher
Born at : Feb. 23, 2026, 3:24 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
zhangjunmengyang/agent-sentinel-shield

🛡️ Agent persona security middleware — drift detection, semantic embedding, trust topology, auto-intervention. Protects AI agent identity, memory integrity, and cognitive consistency.

Python

Updated: 2 weeks, 2 days ago
0 stars 0 fork 0 watcher
Born at : Feb. 21, 2026, 10:50 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
zhangjunmengyang/awesome-ai-agent-security

AI Agent Security — Attack payloads, defense references, and research. 52 tests, ~10K lines. A learning-oriented shooting range, not a product.

agent-security ai-security defense-in-depth llm-safety memory-poisoning openclaw prompt-injection attack-simulation ctf owasp red-team security-research shooting-range

Python

Updated: 1 week, 3 days ago
1 stars 0 fork 0 watcher
Born at : Feb. 20, 2026, 6:20 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
lucacapacci/PoC-in-GitHub

Mirror of https://github.com/nomi-sec/PoC-in-GitHub

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : Feb. 7, 2026, 10:02 a.m. This repo has been linked 789 different CVEs too.
Profile Photo
MihaiCiprianChezan/Constitutional-memory-for-AI-agents

A governance framework that establishes memory as a first-class system component with explicit policies, tiered credential management, lifecycle controls, and full observability

Updated: 2 days, 15 hours ago
0 stars 0 fork 0 watcher
Born at : Jan. 24, 2026, 2:10 p.m. This repo has been linked 3 different CVEs too.
Profile Photo
LupierHN/promptInjection

None

Python

Updated: 1 month, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 22, 2026, 10:06 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
ZeroLeaks/zeroleaks

AI Security Scanner - Test your AI systems for prompt injection and extraction vulnerabilities

TypeScript JavaScript

Updated: 1 week, 2 days ago
474 stars 70 fork 70 watcher
Born at : Jan. 20, 2026, 5:39 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
MihaiCiprianChezan/Agentic-Global-Identity-Layer

Autonomous AI agents are starting to act on our behalf — making purchases, executing workflows, negotiating with other agents. As this shift accelerates, verifiable identity becomes a foundational requirement.

Updated: 2 days, 14 hours ago
0 stars 0 fork 0 watcher
Born at : Jan. 10, 2026, 4:37 a.m. This repo has been linked 4 different CVEs too.
Profile Photo
quantifylabs/aegis-memory

Secure context engineering for AI agents. Content security · integrity verification · trust hierarchy · ACE patterns. Self-hosted, Apache 2.0.

agent-security agents ai ai-agents audit-trail compliance content-security context-engineering mcp memory memory-layer-for-ai multi-agent multi-agent-systems owasp pgvector python trust-hierarchy

Python Dockerfile Makefile Mako Shell

Updated: 6 days, 8 hours ago
19 stars 4 fork 4 watcher
Born at : Dec. 25, 2025, 8:41 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
sastrophy/siteiq

AI-powered security analysis, SEO optimization, and global performance testing in one platform.

CSS Python HTML

Updated: 2 months ago
6 stars 0 fork 0 watcher
Born at : Nov. 26, 2025, 8:52 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
mauricelambert/CyberTalk

Cyber attack simulation for Cyber Talk

PowerShell Python HTML Batchfile Shell

Updated: 3 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Nov. 16, 2025, 1:45 p.m. This repo has been linked 4 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-32711 vulnerability anywhere in the article.

  • CybersecurityNews
New One-Click Microsoft Copilot Vulnerability Grants Attackers Undetected Access to Sensitive Data

A novel single-click attack targeting Microsoft Copilot Personal that enables attackers to silently exfiltrate sensitive user data. The vulnerability, now patched, allowed threat actors to hijack sess ... Read more

Published Date: Jan 14, 2026 (1 month, 3 weeks ago)
  • CybersecurityNews
One Year Of Zero-Click Exploits: What 2025 Taught Us About Modern Malware

The year 2025 represents a pivotal moment in cybersecurity, showcasing a remarkable evolution in zero-click exploitation techniques that significantly challenges our understanding of digital security. ... Read more

Published Date: Dec 24, 2025 (2 months, 1 week ago)
  • Help Net Security
Cato Networks acquires Aim Security to bring AI protection into SASE Cloud

Cato Networks acquired Aim Security to further enhance the Cato SASE Cloud Platform, supporting secure enterprise adoption of AI agents and both public and private AI applications. Cato has now exceed ... Read more

Published Date: Sep 04, 2025 (6 months ago)
  • CybersecurityNews
Weekly Cybersecurity News Recap : Apple 0-day, Chrome, Copilot Vulnerabilities and Cyber Attacks

This past week was packed with high-severity disclosures and active exploitation reports across the global threat landscape. At the forefront, Apple rushed out emergency patches for yet another zero-d ... Read more

Published Date: Aug 24, 2025 (6 months, 1 week ago)
  • Hackread - Latest Cybersecurity, Hacking News, Tech, AI & Crypto
AgentFlayer 0-click exploit abuses ChatGPT Connectors to Steal 3rd-party app data

AgentFlayer is a critical vulnerability in ChatGPT Connectors. Learn how this zero-click attack uses indirect prompt injection to secretly steal sensitive data from your connected Google Drive, ShareP ... Read more

Published Date: Aug 10, 2025 (6 months, 3 weeks ago)
  • Trend Micro
Preventing Zero-Click AI Threats: Insights from EchoLeak

Key Takeaways EchoLeak is a zero-click AI vulnerability that exploits Copilot’s use of historical contextual data to silently execute hidden prompts without user interaction. The attack method relies ... Read more

Published Date: Jul 15, 2025 (7 months, 3 weeks ago)
  • TheCyberThrone
EchoLeak Vulnerability in Microsoft 365 Copilot

Skip to contentOverviewEchoLeak is a critical zero-click vulnerability found in Microsoft 365 Copilot, revealed in 2025 by AIM Security. The flaw allowed attackers to steal sensitive enterprise data w ... Read more

Published Date: Jul 04, 2025 (8 months ago)
  • databreaches.net
Copilot AI Bug Could Leak Sensitive Data via Email Prompts

Rashmi Ramesh reports: A well-phrased email was all an attacker would have needed to trick Microsoft Copilot into handing over sensitive data until the operating system giant patched the vulnerability ... Read more

Published Date: Jun 16, 2025 (8 months, 3 weeks ago)
  • Google Online Security Blog
Mitigating prompt injection attacks with a layered defense strategy

With the rapid adoption of generative AI, a new wave of threats is emerging across the industry with the aim of manipulating the AI systems themselves. One such emerging attack vector is indirect prom ... Read more

Published Date: Jun 13, 2025 (8 months, 3 weeks ago)
  • SentinelOne
More From Our Main Blog: The Good, the Bad and the Ugly in Cybersecurity – Week 24

The Good | Operation Secure Dismantles Global Infostealer Infrastructure in Multi-Nation Crackdown An international law enforcement initiative dubbed “Operation Secure” delivered a significant blow to ... Read more

Published Date: Jun 13, 2025 (8 months, 3 weeks ago)
  • Dark Reading
Researchers Detail Zero-Click Copilot Exploit 'EchoLeak'

Source: Adrian Vidal via Alamy Stock PhotoA critical vulnerability could have enabled attackers to unleash prompt injection attacks against Copilot users, though Microsoft ultimately addressed the iss ... Read more

Published Date: Jun 12, 2025 (8 months, 3 weeks ago)
  • The Hacker News
Zero-Click AI Vulnerability Exposes Microsoft 365 Copilot Data Without User Interaction

A novel attack technique named EchoLeak has been characterized as a "zero-click" artificial intelligence (AI) vulnerability that allows bad actors to exfiltrate sensitive data from Microsoft 365 Copil ... Read more

Published Date: Jun 12, 2025 (8 months, 3 weeks ago)
  • BleepingComputer
Zero-click AI data leak flaw uncovered in Microsoft 365 Copilot

A new attack dubbed 'EchoLeak' is the first known zero-click AI vulnerability that enables attackers to exfiltrate sensitive data from Microsoft 365 Copilot from a user's context without interaction. ... Read more

Published Date: Jun 11, 2025 (8 months, 3 weeks ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-32711 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Feb. 20, 2026

    Action Type Old Value New Value
    Added CWE CWE-74
    Removed CWE CWE-77
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Aug. 04, 2025

    Action Type Old Value New Value
    Added Reference https://www.aim.security/lp/aim-labs-echoleak-m365
  • Initial Analysis by [email protected]

    Jul. 10, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CPE Configuration OR *cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:*:*:*
    Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711 Types: Vendor Advisory
  • New CVE Received by [email protected]

    Jun. 11, 2025

    Action Type Old Value New Value
    Added Tag exclusively-hosted-service
    Added Description Ai command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
    Added CWE CWE-77
    Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact