CVE-2026-54123: defender for endpoint from 101.0.0 (inclusive), before 101.26042.0020 (exclusive); +1 more affected products

CVE-2026-54123. CVSS 3.1 base score 5.5 (MEDIUM, Vendor/CNA). EPSS 0.00479 (percentile 0.40342), scored 22-Oct-2026.

Affected technology

defender for endpoint · from 101.0.0 (inclusive), before 101.26042.0020 (exclusive)
microsoft

Microsoft Defender for Endpoint for Mac · 101.0.0 to before 101.26042.0020
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

An authorized attacker can disclose information locally. Vendor/CNA’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-200
CCR priority: 22.1 /100 (P4)
CVSS 3.1: 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00479 · percentile 0.40342 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-54123.html