High severity · published Oct 27, 2026
CVE-2026-108307
Tanium addressed a heap-based buffer overflow vulnerability in Index.
New
7.8
CVSS
0.1%
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?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
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
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-2026-108305
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.
6.5
CVE-2026-108326
Tanium addressed an improper certificate validation vulnerability in Stream Client Extension.