CVE-2026-9156: Tanium Server · Missing Release of Resource after Effective Lifetime
Affects Tanium ServerSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium · fixed in 7.8.2.1176 : update Tanium Server when convenient.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 14% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.8.2.1176, 7.7.3.8274, 7.6.4.2190
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 30 Oct 2026.
What to do
Upgrade Tanium Server to 7.8.2.1176, 7.7.3.8274 or 7.6.4.2190.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| TaniumTanium Server | Affected
| Fixed in
|
| TaniumTanium Server | Affected
| Fixed in
|
| TaniumTanium Server | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, limit access to the affected Tanium Server versions to trusted users with minimal privileges to reduce risk.
Description
Tanium addressed a denial of service vulnerability in Tanium Server.