CVE-2026-24307 (GCVE-0-2026-24307)

Vulnerability from cvelistv5 – Published: 2026-01-22 22:47 – Updated: 2026-01-23 01:18 Exclusively Hosted Service
VLAI?
Title
M365 Copilot Information Disclosure Vulnerability
Summary
Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Severity ?
9.3 (Critical)
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
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Copilot Affected: -
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    "state": "PUBLISHED"
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  }
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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