CVE-2025-64676CWE-35CWE-94

Microsoft Purview eDiscovery Remote Code Execution Vulnerability

High · published December 18, 2025

CVSS v3.1
7.2
EPSS
1%
Percentile
62.9
In the wild
Unconfirmed
What it is

⚡ A crafty use of the path traversal '.../...//' in Microsoft Purview lets an attacker with credentials execute code remotely! 🚨 Think of this like a chef who has access to the pantry but finds a hidden door that leads to the secret vault of rare spices. They can whip up a dish that nobody else knows about, changing the whole menu! An authorized attacker could gain malicious control over the network, allowing them to execute any code they wish. This could mean unauthorized access to sensitive data or even disrupting the entire system, leading to severe operational chaos.

Put simply

Think of this like a chef who has access to the pantry but finds a hidden door that leads to the secret vault of rare spices. They can whip up a dish that nobody else knows about, changing the whole menu! The vulnerability stems from improper handling of path traversal, enabling attackers to manipulate file paths and execute arbitrary code remotely, even when they have authorized access.

What to do

An authorized attacker could gain malicious control over the network, allowing them to execute any code they wish. This could mean unauthorized access to sensitive data or even disrupting the entire system, leading to severe operational chaos. To mitigate this risk, ensure your Microsoft Purview is updated to the latest version and review access controls to limit permissions. Implement strict input validation to prevent path traversal attempts. 🛡️ You've got this! By taking these steps, you can lock down your environment and keep it secure! 🔒💪

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01011 · 62.9th percentile
Weaknesses
CWE-35 · Path Traversal: '.../...//'; CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2025-12-18T22:02Z
EPSS history
Timeline
  • 18 DEC 22:02Z
    Microsoft Purview eDiscovery Remote Code Execution Vulnerability
    cvelistv5