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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.

PUBLISHED Reserved 2026-05-19 | Published 2026-06-04 | Updated 2026-06-06 | Assigner microsoft




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47644 (Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-47644)

nvd.nist.gov (CVE-2026-47644)

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