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CVE-2025-4234

📛 CVE Title

Cortex XDR Microsoft 365 Defender Pack: Cleartext Exposure of Credentials

Description

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.

Overview

State
PUBLISHED
Assigner (CNA)
palo_alto
CVSS severity
LOW
CVSS score
CVSS 2.4 / 10 2.4 2.4 / 10
CVSS vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber
Effective score
2.4 / 10 LOW source: CNA overview
CWE(s)
CWE-532
Reserved
2025-05-02
Published
2025-09-12 17:18 UTC
Last updated
2026-02-26 17:48 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/4xxx/CVE-2025-4234.json

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2025-09-12 18:15:34 UTC
NVD last modified
2026-04-15 00:35:42 UTC
EPSS score
0.0002 (probability of exploitation in next 30 days)
EPSS percentile
6.14% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 05:14 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2025-29070
Assigner
palo_alto
Published
Sep 12, 2025, 5:18:11 PM
Updated
Feb 26, 2026, 5:48:37 PM
EUVD base score (CVSS 4.0)
2.4 / 10
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H/AU:N/R:U/V:D/RE:M/U:Amber
EUVD-reported EPSS
0.0300
Vendors
Palo Alto Networks
Products
Cortex XDR Microsoft 365 Defender Pack (4.6.0 <11.0.2-133)
Aliases
GHSA-mmc8-8j7m-rcwj

ENISA description: 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.

EUVD references (1)

Affected products (1)

VendorProductVersionsPlatforms
Palo Alto Networks Cortex XDR Microsoft 365 Defender Pack 4.6.0 (affected) Windows

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (10)

  • web:4sysops.com

    Starting in April 2026, Windows updates will change the default Kerberos ticket issuance behavior to AES-SHA1 for accounts without explicit encryption settings, while RC4 can still be used where explicitly enabled. This change, driven by CVE -2026-20833, affects every Windows Server environment where service accounts or devices still rely on RC4. Any service account, NAS device, or legacy ...

    2026-05-23 21:28 UTC
  • web:feedly.com

    CVE-2025-4234 is a vulnerability in Palo Alto's Cortex XDR Microsoft 365 Defender Pack that exposes user credentials in plaintext logs, assigned a CVSS-BT score of 0.5, indicating a low severity. The advisory does not mention any known exploitation in the wild, proof-of-concept exploits, or available mitigations , detections, or patches.

    2026-05-23 21:28 UTC
  • web:nvd.nist.gov

    Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

    2026-05-23 21:28 UTC
  • web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 21:28 UTC
  • web:www.computerworld.com

    Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

    2026-05-23 21:28 UTC
  • web:www.crowdstrike.com

    Microsoft's March 2026 Patch Tuesday addresses 82 CVEs , featuring eight Critical vulnerabilities.

    2026-05-23 21:28 UTC
  • web:www.neowin.net

    Microsoft has released Patch Tuesday updates for Windows 11 KB5074109, KB5073455 for January 2026. Here's what's included.

    2026-05-23 21:28 UTC
  • web:www.ninjaone.com

    Overview KB5087054 is a cumulative security update released on May 12, 2026, designed for Windows 11 version 24H2 systems that have .NET Framework 3.5 or 4.8.1 installed. This patch represents Microsoft's commitment to maintaining the security posture of the .NET Framework ecosystem by addressing critical elevation of privilege vulnerabilities that could potentially allow unauthorized users to ...

    2026-05-23 21:28 UTC
  • web:www.pcworld.com

    This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.

    2026-05-23 21:28 UTC
  • web:www.windowslatest.com

    Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.

    2026-05-23 21:28 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-4234.json.

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