Medium severity · published Oct 27, 2026
CVE-2026-108309
Tanium addressed an uncontrolled resource consumption vulnerability in Performance Client Extension.
New
5.5
CVSS
–
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EC
Endpoint Configuration Toolset Solution · Tanium
1.51 before 1.51.60; 1.59 before 1.59.50; 1.71 before 1.71.25 · source: vendor
PE
performance-cx · Tanium
2.7.648 before 2.7.648; 2.8.2110 before 2.8.2110; 2.9.1165 before 2.9.1165; 2.11.1312 before 2.11.1312; 2.13.1010 before 2.13.1010; 2.14.56 before 2.14.56 · source: vendor
Affected product
EC
Endpoint Configuration Toolset Solution
Tanium
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108309
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108309
security.tanium.com
https://security.tanium.com/TAN-2026-070
More from Endpoint Configuration Toolset Solution
7.8
CVE-2026-108306
Tanium addressed a local privilege escalation vulnerability in End-User Notifications.
7.8
CVE-2026-108304
Tanium addressed a local privilege escalation vulnerability in End-User Notifications.
7.8
CVE-2026-108307
Tanium addressed a heap-based buffer overflow vulnerability in Index.
7.8
CVE-2026-108305
Tanium addressed a local privilege escalation vulnerability in End-User Notifications.
7.8
CVE-2025-15310
Tanium addressed a local privilege escalation vulnerability in Patch Endpoint Tools