Critical severity9.3NVD Advisory· Published Oct 9, 2025· Updated Jun 17, 2026

CVE-2025-59286

Description

Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to disclose information over a network.

Affected products

Microsoft/365 Copilot Chat
cpe:2.3:a:microsoft:365_copilot_chat:-:*:*:*:*:*:*:*
Microsoft/Copilotllm-fuzzy
Microsoft/365 Copilot BizChatcpe-rescue
Range: -

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59286nvdVendor Advisory

News mentions

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ransomware	0.000