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CVE-2025-59287 - Microsoft WSUS Remote Code Execution

This Playbook is part of the Cortex Response And Remediation Pack.#

Supported versions

Supported Cortex XSOAR versions: 8.9.0 and later.

CVE-2025-59287 - Microsoft WSUS Remote Code Execution

Vulnerability Overview#

  • Vulnerability Name: Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability
  • CVE ID: CVE-2025-59287
  • CVSS Score: 9.8 (Critical)

An unauthenticated remote code execution (RCE) vulnerability has been identified in Microsoft Windows Server Update Services (WSUS). Source: Unit42 - Palo Alto Networks

Mitigation and Recommendations#

  • Apply Patch
  • Restrict Access to the vulnerable serves
  • Monitor for IoCs and suspicious traffic

Conclusion#

CVE‑2025‑59287 is a critical, remotely exploitable vulnerability in WSUS that allows unauthenticated attackers to execute arbitrary code with SYSTEM privileges.

View official CVE details on NIST

Playbook Triggers#

  • Manually
  • "CVE Exploitation - 2037164431" or "CVE Exploitation - 3823999562" Agents rules

Playbook Flow#

  1. Uses XQL to identify WSUS servers in your environment.
  2. Collects IOCs from the Unit42 blog.
  3. Uses XQL to detect any suspicious command lines indicative of exploitation of this vulnerability.
  4. Investigates the command lines to identify malicious indicators related to the vulnerability.
  5. Uses XQL to hunt for malicious IOCs.
  6. Isolates compromised WSUS servers.
  7. Blocks malicious indicators using the "Containment Plan – Block Indicators" playbook.
  8. Provides mitigation recommendations.

Dependencies#

This playbook uses the following sub-playbooks, integrations, and scripts.

Sub-playbooks#

  • Containment Plan - Block Indicators

Integrations#

This playbook does not use any integrations.

Scripts#

  • CommandLineAnalysis
  • IsIntegrationAvailable
  • ParseHTMLIndicators
  • SetAndHandleEmpty
  • isolate-endpoint

Commands#

  • associateIndicatorsToAlert
  • closeInvestigation
  • createNewIndicator
  • extractIndicators
  • setAlert
  • xdr-xql-generic-query

Playbook Inputs#


There are no inputs for this playbook.

Playbook Outputs#


There are no outputs for this playbook.

Playbook Image#


CVE-2025-59287 - Microsoft WSUS Remote Code Execution