Medium (4.4) in carbonblack carbon black. EPSS 0.3% chance of exploitation in the next 30 days.
The cbstream.sys driver in Carbon Black 5.1.1.60603 allows local users with admin privileges to cause a denial of service (out-of-bounds read and system crash) via a large counter value in an 0x62430028 IOCTL call.
Severity
CVSS 3.0
4.4 medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)