CVE-2026-47644
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Microsoft Copilot Chat
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-74Injection
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft copilot_chat | No range specified | — |
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