Description
Improper neutralization of special elements in output used by a downstream component ('injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Copilot Chat (Microsoft Edge) | - | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
songjianyang/CVE-2026-47644 ★ 6 · Oct 15, 2026
CVE-2026-47644 ($12,000): Edge Copilot Prompt Injection Leads to Cross-Tab Data Exfiltration - PoC & full writeup
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2026-1792 Microsoft Clouddienste: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Jun 15, 2026
- MSRC-CVE-2026-47644 Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability Microsoft Security Response Center · Jun 4, 2026
References
- Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability vendor-advisory patch