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TI-2026-81463 Aliases CVE-2026-108307GHSA-x7c3-2vm4-9496

Heap-based buffer overflow in Tanium Index

Priority LOW 35CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

Tanium Endpoint Configuration Toolset Solution from 1.51 before 1.51.60, from 1.59 before 1.59.50 and from 1.71 before 1.71.25 is affected, and the Tanium index-cx package is also affected. A heap-based buffer overflow (CWE-122) lets data be written past the end of a heap buffer. A local user with low privileges can fully compromise confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

Tanium addressed a heap-based buffer overflow vulnerability in Index.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00129 2nd percentileScored 2026-11-07
Fix Fixed Endpoint Configuration Toolset Solution (Tanium): 1.51.60, 1.59.50, 1.71.25index-cx (Tanium): 3.9.520, 3.11.443, 3.14.921 +3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TaniumEndpoint Configuration Toolset Solution1.51 to before 1.51.60; 1.59 to before 1.59.50; 1.71 to before 1.71.251.51.60, 1.59.50, 1.71.25Patch availableCNA
Taniumindex-cx3.9.520 to before 3.9.520; 3.11.443 to before 3.11.443; 3.14.921 to before 3.14.921; 3.14.917 to before 3.14.917; 3.15.2420 to before 3.15.2420; 3.16.984 to before 3.16.9843.9.520, 3.11.443, 3.14.921, 3.14.917, 3.15.2420, 3.16.984Patch availableCNA
  • Endpoint Configuration Toolset Solution VendorTanium Affected 1.51 to before 1.51.60; 1.59 to before 1.59.50; 1.71 to before 1.71.25 Fixed in 1.51.60, 1.59.50, 1.71.25 Patch available CNA
  • index-cx VendorTanium Affected 3.9.520 to before 3.9.520; 3.11.443 to before 3.11.443; 3.14.921 to before 3.14.921; 3.14.917 to before 3.14.917; 3.15.2420 to before 3.15.2420; 3.16.984 to before 3.16.984 Fixed in 3.9.520, 3.11.443, 3.14.921, 3.14.917, 3.15.2420, 3.16.984 Patch available CNA

Remediation

Fixed versions are 1.51.60, 1.59.50 and 1.71.25 for Tanium Endpoint Configuration Toolset Solution, and 3.9.520, 3.11.443, 3.14.917, 3.14.921, 3.15.2420 and 3.16.984 for index-cx.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

  • Fix · CNA Endpoint Configuration Toolset Solution (Tanium) Fixed in 1.51.60, 1.59.50, 1.71.25
  • Fix · CNA index-cx (Tanium) Fixed in 3.9.520, 3.11.443, 3.14.921, 3.14.917, 3.15.2420, 3.16.984

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Tanium Endpoint Configuration Toolset Solution 1.51.60, 1.59.50, 1.71.25

    10 records Highest priority Priority LOW 10 LOW

    Other records, highest priority first

    • TI-2026-81462 Local privilege escalation in Tanium End-User NotificationsPriority LOW 35
    • TI-2026-81461 Local privilege escalation in Tanium End-User NotificationsPriority LOW 35
    • TI-2026-81460 Local privilege escalation in Tanium End-User NotificationsPriority LOW 35
    Show all 10 records →

Timeline

  1. 2026-10-27 Threatist record created from CVE-2026-108307
  2. 2026-10-27 Alias added: GHSA-x7c3-2vm4-9496
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed

References

Other 1

  • TI-2026-81473 Unauthorized code execution in Tanium Threat Response CVSS 3.1HIGH 8.8
  • TI-2026-81459 Tanium Certificate Manager unauthorized code execution vulnerability CVSS 3.1HIGH 8.8
  • TI-2026-59476 Tanium addressed a SQL injection vulnerability in Threat Response. CVSS 3.1HIGH 8.8
  • TI-2026-08094 Tanium addressed an unauthorized code execution vulnerability in Connect. CVSS 3.1HIGH 8.8
  • TI-2026-08093 Tanium addressed an unauthorized code execution vulnerability in Connect. CVSS 3.1HIGH 8.8
  • TI-2025-13983 Tanium addressed an improper input validation vulnerability in Deploy. CVSS 3.1HIGH 8.8
See all 135 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences