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Critical severity9.3NVD Advisory· Published Jan 22, 2026· Updated Jun 17, 2026

CVE-2026-24307

CVE-2026-24307

Description

Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Affected products

3

Microsoft/365 Copilot
cpe:2.3:a:microsoft:365_copilot:-:*:*:*:*:*:*:*
Microsoft/365 Copilot BizChatcpe-rescue
Range: -
Microsoft/M365 Copilotllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-24307nvdVendor Advisory

News mentions

0

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