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

Vulnerability from cvelistv5 – Published: 2026-01-22 22:47 – Updated: 2026-07-30 20:47 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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-24 04:55 UTC
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Microsoft 365 Copilot Affected: -
    cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-01-22 16:00
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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