Vulnerability · Published Jul 14, 2026 · Assigned by microsoft
CVE-2026-56178Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
Medium 5.5
In plain English
A medium-severity security flaw in Microsoft Defender for Endpoint for Mac from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 85.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Defender for Endpoint for Mac | 101.0.0 – before 101.26042.0020 |
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C
References
- Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability vendor-advisory, patch