CVE-2026-56178 | BDVDB-2026-348376 Detail

MicrosoftMicrosoft Defender for Endpoint for Mac

Description#

Time-of-check time-of-use (toctou) race condition in Microsoft Defender for Endpoint allows an authorized attacker to elevate privileges locally.

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: local.

No public exploit known

5.5 Medium

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 14.3.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Race Condition

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

5.5 Medium

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).