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CVE-2026-59118

9.3 critical SSVC exploitation: none Modified
NVD · CVE.org

Improper authorization in Copilot Cowork allows an unauthorized attacker to elevate privileges over a network.

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 21:10
  2. StatusPublished → ModifiedNVD modified 2026-10-23 21:10
  3. CVSS9.3 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C) → 9.3 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N)NVD modified 2026-10-23 21:10
  4. First seenCVSS 9.3 · microsoftNVD modified 2026-10-21 20:55

Affected (CPE criteria) 1

  • cpe:2.3:a:microsoft:power_apps:-:*:*:*:*:*:*:*

References 1