High severity · published May 27, 2026
CVE-2026-9208
Tanium addressed an unauthorized code execution vulnerability in Connect.
8.8
CVSS
0.4%
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)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Connect · Tanium
5.26 before 5.26.191; 5.29 before 5.29.237; 5.37 before 5.37.140 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-9208
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-9208
Vendor Advisory
https://security.tanium.com/TAN-2026-015
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