---
id: CVE-2026-40058
title: >-
  CrowdStrike released a security update to address a vulnerability in the
  Falcon sensor for Windows
summary: >-
  CrowdStrike released a security update to address a vulnerability in the
  Falcon sensor for Windows. The vulnerability only exists when the Microsoft
  Office File Malicious Macro Removal Windows policy setting is enabled and
  customers rema…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-367
vendor: CrowdStrike
product: Falcon sensor for Windows
affected:
  - falcon_sensor_for_windows >= 8.10.0 < 8.10.21408
  - falcon_sensor_for_windows >= 7.40.0 < 7.40.21309
  - falcon_sensor_for_windows >= 7.39.0 < 7.39.21113
  - falcon_sensor_for_windows >= 7.38.0 < 7.38.21007
  - falcon_sensor_for_windows >= 7.37.0 < 7.37.20912
  - falcon_sensor_for_windows >= 7.36.0 < 7.36.20807
  - falcon_sensor_for_windows >= 7.35.0 < 7.35.20712
  - falcon_sensor_for_windows >= 7.34.0 < 7.34.20613
  - falcon_sensor_for_windows 7.33.0
  - falcon_sensor_for_windows >= 7.32.0 < 7.32.20410
  - falcon_sensor_for_windows >= 7.16.0 < 7.16.18644
  - laroux_cleanup_tool >= 1.0.20 < 1.4.70.0
published: '2026-09-15'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:34:36.657'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-40058'
references:
  - url: 'https://www.crowdstrike.com/en-us/security-advisories/cve-2026-40058/'
    label: 13ddcd98-6f4a-40a8-8e24-29ca0aee4661
tags:
  - nvd
  - cve.org
epss: 0.00119
epssPercentile: 0.01563
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T18:04:32.076649Z'
ingestedAt: '2026-09-15T18:41:59.139Z'
---

## Overview

CrowdStrike released a security update to address a vulnerability in the Falcon sensor for Windows. The vulnerability only exists when the Microsoft Office File Malicious Macro Removal Windows policy setting is enabled and customers remain protected through the Cloud Anti-malware for Microsoft Office Files settings.




An update is available immediately for versions 7.34 and above, 7.32 LTS, and 7.16 for Windows 7/2008 R2 systems. The Falcon sensor for Mac, Linux, and Legacy Systems are not affected. 




This vulnerability could expose an arbitrary file write to protected locations from an unprivileged context, potentially leading to local privilege escalation.




The CrowdStrike Laroux Malware Cleanup Tool, based off of the same feature in the CrowdStrike Falcon sensor for Windows, is also affected. An update for this tool is also available immediately.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.