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CVE-2026-54123

5.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 4

  1. Cpes+1 CPE criteria (now 1)NVD modified 2026-10-23 19:10
  2. StatusPublished → AnalyzedNVD modified 2026-10-23 19:10
  3. CVSS5.5 (v3.1, CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C) → 5.5 (v3.1, CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)NVD modified 2026-10-23 19:10
  4. First seenCVSS 5.5 · microsoftNVD modified 2026-10-21 20:52

Affected (CPE criteria) 1

  • cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:macos:*:*

References 1