CVE-2025-32711CWE-74

M365 Copilot Information Disclosure Vulnerability

Critical · published June 11, 2025

CVSS v3.1
9.3
EPSS
8%
Percentile
94.8
In the wild
Unconfirmed
What it is

🚨 A sneaky command injection in M365 Copilot could give attackers unauthorized access to sensitive information, just waiting for someone to pull the trigger! 🔥 Think of it like a clever scam artist who can whisper secrets through the walls of a conference room — they don’t belong there, but once inside, they can hear everything! If exploited, an attacker could potentially snoop on confidential data being transmitted over the network, putting sensitive business information at risk. This isn’t just a minor breach; it could lead to major financial and reputational damage if data falls into the wrong hands.

Put simply

Think of it like a clever scam artist who can whisper secrets through the walls of a conference room — they don’t belong there, but once inside, they can hear everything! This vulnerability allows unauthorized attackers to inject AI commands into the M365 Copilot, enabling them to access and disclose information over the network without proper authorization.

What to do

If exploited, an attacker could potentially snoop on confidential data being transmitted over the network, putting sensitive business information at risk. This isn’t just a minor breach; it could lead to major financial and reputational damage if data falls into the wrong hands. To protect yourself, patch your M365 environment as soon as the fix is available. Additionally, regularly review access controls and monitor network traffic for any suspicious activity to strengthen your defenses. 📅 You've got this! Stay vigilant and secure your environment, and soon you'll be in hero mode! 🛡️

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.08034 · 94.8th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2025-06-11T13:22Z
EPSS history
Timeline
  • 11 JUN 13:22Z
    M365 Copilot Information Disclosure Vulnerability
    cvelistv5