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CVE-2026-58616

Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 152.0.4191.53, 152.0.4191.52
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Microsoft Microsoft Edge (Chromium-based)

    From 1.0.0.0 · fixed in 152.0.4191.53

  • Microsoft Microsoft Edge for Android

    From 1.0.0.0 · fixed in 152.0.4191.52

  • Microsoft Microsoft Edge for iOS

    From 1.0.0.0 · fixed in 152.0.4191.52

  • Microsoft Microsoft Edge for Linux

    From 1.0.0 · fixed in 152.0.4191.52

  • Microsoft Microsoft Edge for MAC

    From 1.0.0.0 · fixed in 152.0.4191.52

  • Microsoft Microsoft Edge for Windows

    From 1.0.0.0 · fixed in 152.0.4191.52

References 1

msrc.microsoft.com