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CVE-2026-58616

3.0 low SSVC exploitation: none Analyzed
NVD · CVE.org

Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft Edge) allows an authorized attacker to disclose information 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 2026-10-28 21:16
  2. StatusPublished → AnalyzedNVD modified 2026-10-28 21:16
  3. CVSS4.4 (v3.1, CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C) → 3.0 (v3.1, CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N)NVD modified 2026-10-28 21:16
  4. First seenCVSS 4.4 · microsoftNVD modified 2026-10-21 20:53

Affected (CPE criteria) 1

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

References 1