CVE-2026-45647 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
A local attacker can exploit a race condition in Microsoft Defender for Endpoint for Mac to elevate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-45647?
CVE-2026-45647 is a medium-severity vulnerability in Microsoft Defender for Endpoint for Mac, published on 9 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
Weakness: CWE-367
Which versions are affected by CVE-2026-45647?
It affects 1 product.
Products include Microsoft Defender for Endpoint.
How do I fix CVE-2026-45647?
No fix has been published for CVE-2026-45647 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-45647 being exploited?
There is no known exploitation of CVE-2026-45647 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Defender for Endpoint for Mac
- CVE-2026-21537 Microsoft Defender for Endpoint Linux Extension Remote Code Execution Vulnerability
- CVE-2024-49057 Microsoft Defender for Endpoint on Android Spoofing Vulnerability
- CVE-2025-47161 Microsoft Defender for Endpoint Elevation of Privilege Vulnerability
- CVE-2024-21315 Microsoft Defender for Endpoint Protection Elevation of Privilege Vulnerability
- CVE-2022-35828 Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
Sources
Also known as GHSA-2rv3-8j9r-chw9.