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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Edge (Chromium-based) | 1.0.0.0 – < 152.0.4191.53 | 152.0.4191.53 |
| Microsoft | Microsoft Edge for Android | 1.0.0.0 – < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft | Microsoft Edge for iOS | 1.0.0.0 – < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft | Microsoft Edge for Linux | 1.0.0 – < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft | Microsoft Edge for MAC | 1.0.0.0 – < 152.0.4191.52 | 152.0.4191.52 |
| Microsoft | Microsoft Edge for Windows | 1.0.0.0 – < 152.0.4191.52 | 152.0.4191.52 |
Advisories 2
- WID-SEC-2026-3085 Microsoft Edge: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 13, 2026
- MSRC-CVE-2026-58616 Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability Microsoft Security Response Center · Aug 28, 2026
References
- Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability vendor-advisory patch