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4.4 Medium

CVE-2026-58616 Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (Microsoft…

Description

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.

Affected products and versions

Product Affected versions Fixed in
Microsoft Edge (Chromium-based) 1.0 1.0.0.0 → < 152.0.4191.53 152.0.4191.53
Microsoft Edge for Android 1.0 1.0.0.0 → < 152.0.4191.52 152.0.4191.52
Microsoft Edge for iOS 1.0 1.0.0.0 → < 152.0.4191.52 152.0.4191.52
Microsoft Edge for Linux 1.0 1.0.0 → < 152.0.4191.52 152.0.4191.52
Microsoft Edge for MAC 1.0 1.0.0.0 → < 152.0.4191.52 152.0.4191.52
Microsoft Edge for Windows 1.0 1.0.0.0 → < 152.0.4191.52 152.0.4191.52

References

Timeline

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