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VulnerabilityPublished Updated

CVE-2026-2408: Tanium Cloud Workloads · Use After Free

Affects Tanium Cloud WorkloadsSource CVE Database V5

0

Not known to be exploited · CVSS 4.7 Medium : upgrade to 1.0.222 when convenient.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
4.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.0.222
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 19 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Tanium Cloud Workloads to 1.0.222.

Affected software

ProductAffectedFixed in
TaniumCloud WorkloadsAffected
  • >=1.0.222 <1.0.222
Fixed in
  • 1.0.222

CPE configurations (1)

  • cpe:2.3:a:tanium:service_cloudworkloads:1.0.221:*:*:*:*:*:*:*

AI-suggested

Organizations should promptly update the Tanium Cloud Workloads Enforce client extension to the latest version where this use-after-free vulnerability is fixed. Since no direct patch links are provided, contacting Tanium support or consulting official Tanium security advisories is recommended to obtain the appropriate update. Additionally, organizations should enforce strict access controls to limit local access to systems running the affected client extension, reducing the attack surface. Monitoring for unusual application crashes or instability in the Tanium client can help detect potential exploitation attempts. Employing endpoint detection and response (EDR) tools to identify suspicious local activities may further reduce risk. Regularly auditing and minimizing privileges for users and processes interacting with the Tanium client will also help mitigate exploitation potential. Finally, integrating this vulnerability into vulnerability management and incident response workflows ensures timely detection and remediation.

Description

Tanium addressed a use-after-free vulnerability in the Cloud Workloads Enforce client extension.

References

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