NewsPublished 24 Jun 2026

macOS Weaknesses Chained to Silently Disable Endpoint Security Agents

Source SecurityWeek

Mentions 1 CVE

Mentioned vulnerabilities

CVE-2026-39118

macos

Description

A standard non-admin account is sufficient to conduct an attack that exploits legitimate OS behavior rather than software vulnerabilities. The post macOS Weaknesses Chained to Silently Disable Endpoint Security Agents appeared first on SecurityWeek .

Impact

The attack allows a standard non-admin user to silently disable enterprise endpoint security agents such as EDR and MDM tools without triggering alerts. This can lead to the complete unloading or permanent deactivation of security agents, potentially leaving the system unprotected against further attacks. The technique bypasses security controls by abusing legitimate OS behavior and trusted code-signing mechanisms, undermining endpoint security integrity.

Defensive guidance

Kandji has released an official patch addressing the vulnerability (CVE-2026-39118). CrowdStrike has implemented detection mechanisms and rewarded a bug bounty. A third affected vendor is working on a patch. Users and organizations should apply the latest updates from their endpoint security vendors promptly. Since this attack exploits legitimate OS behavior rather than a software vulnerability, mitigation relies on vendor patches and detection improvements. No kernel exploits or admin privileges are required, so standard privilege restrictions do not prevent this attack. Monitor vendor advisories for updates and apply patches as they become available.

References

securityweek.com/macos-weaknesses-chained-to-silently-disable-endpoint-security-agents/ (opens in a new tab)

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Description

AI analysisMachine-generated, updated 24 Jun 2026, 13:54 UTC

References

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