Cortex XDR M365 Defender Pack logs expose user creds
CVE-2025-4234 Published on September 12, 2025
Cortex XDR Microsoft 365 Defender Pack: Cleartext Exposure of Credentials
A problem with the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack can result in exposure of user credentials in application logs. Normally, these application logs are only viewable by local users and are included when generating logs for troubleshooting purposes. This means that these credentials are exposed to recipients of the application logs.
Timeline
Initial Publication
Weakness Type
Insertion of Sensitive Information into Log File
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
Affected Versions
Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack:- Version 4.6.0 and below 11.0.2-133 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.