CVE-2026-47644 — MEDIUM (6.5)

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Microsoft	Copilot Chat	-

Related Weaknesses (CWE)

CWE-74

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47644Vendor Advisory

FAQ

What is CVE-2026-47644?

CVE-2026-47644 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 netwo...

How severe is CVE-2026-47644?

CVE-2026-47644 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47644?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Copilot Chat.