Microsoft M365 Copilot Remote Code Execution Vulnerability
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.9epss 1.3%
exploitation probability
1.3%top 34% of all CVEs
observed exploitation
nono source reports it
Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft 365 Copilot