CVE-2026-40058

Vulnerability Affecting Office Macro Removal in CrowdStrike Falcon Sensor for Windows

Published Sep 15, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Crowdstrike falcon Sensor For Windows
Vendors & Products Crowdstrike falcon Sensor For Windows
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Vulnerability Affecting Office Macro Removal in CrowdStrike Falcon Sensor for Windows
First Time appeared Crowdstrike
Crowdstrike cslarouxcleanuptool
Crowdstrike falcon
Weaknesses CWE-367
CPEs cpe:2.3:a:crowdstrike:cslarouxcleanuptool:*:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.16:*:*:*:*:windows_7:*:*
cpe:2.3:a:crowdstrike:falcon:7.16:*:*:*:*:windows_server_2008:*:*
cpe:2.3:a:crowdstrike:falcon:7.32:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.33:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.34:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.35:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.36:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.37:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.38:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.39:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:7.40:*:*:*:*:windows:*:*
cpe:2.3:a:crowdstrike:falcon:8.10:*:*:*:*:windows:*:*
Vendors & Products Crowdstrike
Crowdstrike cslarouxcleanuptool
Crowdstrike falcon
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
CrowdStrike
Published
Updated
Sep 15, 2026, 6:04 PM
Reserved
Apr 8, 2026, 6:55 PM
Status
Awaiting Analysis
Published
Sep 15, 2026, 6:17 PM
Modified
Sep 18, 2026, 7:34 PM