Medium severity6.5NVD Advisory· Published Jun 4, 2026

CVE-2026-47644

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

Microsoft/365 Copilot Chatllm-fuzzy

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47644nvd

News mentions

Microsoft: Seven Critical and High Vulnerabilities Disclosed on June 4th
Vypr Intelligence · Jun 4, 2026

cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000