CVE-2026-24307

🚨 CRITICAL

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

Published
Jan 22, 2026
Last Modified
Jan 26, 2026
Views
34
Bookmarks
0

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

CVSS Scores

CVSS 3.1 9.3
9.3
CRITICAL
CVSS 2.0 9.3

Additional Information

Source
secure@microsoft.com
State
Awaiting analysis

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