Medium severity · published Feb 19, 2026
CVE-2026-2605
Tanium addressed an insertion of sensitive information into log file vulnerability in TanOS.
5.3
CVSS
0.3%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
TanOS · Tanium
1.8.4 before 1.8.4.0249; 1.8.5 before 1.8.5.0282; 1.8.6 before 1.8.6.0150 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2605
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2605
Vendor Advisory
https://security.tanium.com/TAN-2026-006
More from TanOS
7.8
CVE-2025-15311
Tanium addressed an unauthorized code execution vulnerability in Tanium Appliance.
7.2
CVE-2025-15312
Tanium addressed an improper output sanitization vulnerability in TanOS.
6.0
CVE-2025-13225
Tanium addressed an arbitrary file deletion vulnerability in TanOS
3.7
CVE-2025-15323
Tanium addressed an improper certificate validation vulnerability in Tanium Appliance.
2.7
CVE-2025-15321
Tanium addressed an improper input validation vulnerability in Tanium Appliance.