Vulnerability Affecting Office Macro Removal in CrowdStrike Falcon Sensor for Windows

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-40058
StatePUBLISHED
AssignerCrowdStrike
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-15 18:17:20 UTC
Updated2026-09-15 19:17:18 UTC
DescriptionCrowdStrike 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from 13ddcd98-6f4a-40a8-8e24-29ca0aee4661

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-367 | CWE-367 CWE-367 Time-of-check time-of-use (TOCTOU) race condition

VersionSourceTypeScoreSeverityVector
3.113ddcd98-6f4a-40a8-8e24-29ca0aee4661Secondary8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA CrowdStrike Falcon Sensor For Windows affected 8.10.0 8.10.21408 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.40.0 7.40.21309 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.39.0 7.39.21113 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.38.0 7.38.21007 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.37.0 7.37.20912 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.36.0 7.36.20807 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.35.0 7.35.20712 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.34.0 7.34.20613 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.33.0 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.32.0 7.32.20410 semver Windows
CNA CrowdStrike Falcon Sensor For Windows affected 7.16.0 7.16.18644 semver Windows 7, Windows Server 2008
CNA CrowdStrike Laroux Cleanup Tool affected 1.0.20 1.4.70.0 semver Windows

References

ReferenceSourceLinkTags
www.crowdstrike.com/en-us/security-advisories/cve-2026-40058 13ddcd98-6f4a-40a8-8e24-29ca0aee4661 www.crowdstrike.com
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