High severity · published Oct 27, 2026
CVE-2026-108303
Tanium addressed an unauthorized code execution vulnerability in Certificate Manager.
New
8.8
CVSS
0.3%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
Certificate Manager · Tanium
1.17 before 1.17.417; 1.18 before 1.18.368; 1.22 before 1.22.119 · source: vendor