VULNERABILITY INTELLIGENCE
CVE-2026-24307
CVSS score9.3 CRITICAL
EPSS probability0.91%
CISA KEVNot currently listed
Published2026-01-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Description
Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Weakness classification
- secure@microsoft.com: CWE-1287
Primary references
- secure@microsoft.com — Vendor Advisory