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CVE-2026-42824mediumCWE-77

M365 Copilot Information Disclosure Vulnerability

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 7.6%
exploitation probability
7.6%top 6% of all CVEs
observed exploitation
nono source reports it
Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an unauthorized attacker to disclose information over a network.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C