CVE-2026-24307 PUBLISHED

M365 Copilot Information Disclosure Vulnerability

Assigner: microsoft
Reserved: 21.01.2026 Published: 22.01.2026 Updated: 24.01.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C
CVSS Score: 9.3

Product Status

Vendor Microsoft
Product Microsoft 365 Copilot
Versions
  • Version - is affected

References

Problem Types