Medium severity · published Jul 21, 2026
CVE-2026-12139
Tanium addressed an information disclosure vulnerability in Connect.
5.5
CVSS
0.2%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Connect · Tanium
5.29.251 before 5.29.251; 5.37.156 before 5.37.156; 5.47.112 before 5.47.112 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12139
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12139
Vendor Advisory
https://security.tanium.com/TAN-2026-018
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