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Vulnerabilities

Vulnerability · CVE-2025-4234

A problem with the Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack can result in exposure of user credentials in application logs.

Published Sep 12, 2025 · catalog updated Feb 26, 2026 · Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-4234. EPSS is 0.14%. Act only if a listed version of Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Version ranges on file
Affected products
vendor Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 <11.0.2-133

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 <11.0.2-1334.6.0 <11.0.2-133

How to fix CVE-2025-4234

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-4234. EPSS is 0.14%. Act only if a listed version of Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack is installed.

Which versions are affected?

Compare what you have installed with Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 <11.0.2-133 4.6.0 <11.0.2-133. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Palo Alto PAN-OS security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 12, 2025 · EUVD

    Detected

    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.

  2. Feb 26, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-4234

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4234

    30-day exploitation probability 0.14%

    first.org
  • EUVDVulnerability recordEUVD-2025-29070

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026