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CVE-2026-26164

M365 Copilot

Description

Improper neutralization of special elements in output used by a downstream component (-injection-) in M365 Copilot allows an unauthorized attacker to disclose information over a network.

CVSS 7.5EPSS 0.799%Risk 0.8
View source
Published
2026-05-07 22:16:33
Affected versions
unknown
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N