CVE-2026-108333: Tanium addressed a use-after-free vulnerability in Threat Response Client Extension.

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Tanium). Independent of NVD's CPE analysis and usually ahead of it.

• Tanium Endpoint Configuration Toolset Solution

  • 1.51 and later · before 1.51.60affected
  • 1.59 and later · before 1.59.50affected
  • 1.71 and later · before 1.71.25affected

• Tanium threat-response-cx

  • 1.17.802 and later · before 1.17.802affected · semver
  • 1.18.2732 and later · before 1.18.2732affected · semver
  • 1.19.2213 and later · before 1.19.2213affected · semver
  • 1.20.2271 and later · before 1.20.2271affected · semver
  • 1.21.1673 and later · before 1.21.1673affected · semver

Other highest-scoring records for the same primary product.

• CVE-2026-108307Tanium addressed a heap-based buffer overflow vulnerability in Index.
  31Monitor
• CVE-2026-108306Tanium addressed a local privilege escalation vulnerability in End-User Notifications.
  31Monitor
• CVE-2026-108305Tanium addressed a local privilege escalation vulnerability in End-User Notifications.
  31Monitor

Published before and after this one in the same product

• ← EarlierCVE-2026-108330Oct 27, 2026 · Tanium addressed an information disclosure vulnerability in Threat Response Client Extension.
  14Monitor
• ← EarlierCVE-2026-108331Oct 27, 2026 · Tanium addressed an infinite loop vulnerability in Threat Response Client Extension.
  13Monitor
• ← EarlierCVE-2026-108332Oct 27, 2026 · Tanium addressed an improper link resolution before file access vulnerability in Threat Response Client Extension.
  25Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

After a memory region is freed, another reference pointing to it is still used. By then, the same region may have been allocated for different data.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1free(dev->buf);2/* ... another thread is still running ... */3process(dev->buf);

1lock(&dev->lock);2free(dev->buf);3dev->buf = NULL;4unlock(&dev->lock);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.