High severity · published Oct 27, 2026
CVE-2026-108307
Tanium addressed a heap-based buffer overflow vulnerability in Index.
New
7.8
CVSS
–
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
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
IN
index-cx · Tanium
3.9.520 before 3.9.520; 3.11.443 before 3.11.443; 3.14.921 before 3.14.921; 3.14.917 before 3.14.917; 3.15.2420 before 3.15.2420; 3.16.984 before 3.16.984 · source: vendor
Affected product
EC
Endpoint Configuration Toolset Solution
Tanium
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-108307
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-108307
security.tanium.com
https://security.tanium.com/TAN-2026-057
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