CVE-2026-9156

Tanium addressed a denial of service vulnerability in Tanium Server.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://security.tanium.com/TAN-2026-013	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:tanium:server::::::::
	cpe:2.3:a:tanium:server::::::::
	cpe:2.3:a:tanium:server::::::::

History

No history.

Information

Published : 2026-05-27 02:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9156

Mitre link : CVE-2026-9156

CVE.ORG link : CVE-2026-9156

JSON object : View

Products Affected

tanium

server

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

{"id": "CVE-2026-9156", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9156", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-27T13:50:31.230808Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "affectedData": [{"vendor": "Tanium", "product": "Tanium Server", "versions": [{"status": "affected", "version": "7.6.4.0", "lessThan": "7.6.4.2190", "versionType": "custom"}, {"status": "affected", "version": "7.7.3.0", "lessThan": "7.7.3.8274", "versionType": "custom"}, {"status": "affected", "version": "7.8.2.0", "lessThan": "7.8.2.1176", "versionType": "custom"}]}]}], "published": "2026-05-27T02:16:35.003", "references": [{"url": "https://security.tanium.com/TAN-2026-013", "tags": ["Vendor Advisory"], "source": "3938794e-25f5-4123-a1ba-5cbd7f104512"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "3938794e-25f5-4123-a1ba-5cbd7f104512", "description": [{"lang": "en", "value": "CWE-772"}]}], "descriptions": [{"lang": "en", "value": "Tanium addressed a denial of service vulnerability in Tanium Server."}, {"lang": "es", "value": "Tanium abord\u00f3 una vulnerabilidad de denegaci\u00f3n de servicio en Tanium Server."}], "lastModified": "2026-07-23T11:10:00.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B1353A9-B83C-4FC6-AF95-CB3DF455405E", "versionEndExcluding": "7.6.4.2190", "versionStartIncluding": "7.6.4.0"}, {"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "44C67EDB-B43D-4F92-A701-61E46D46C7F0", "versionEndExcluding": "7.7.3.8274", "versionStartIncluding": "7.7.3.0"}, {"criteria": "cpe:2.3:a:tanium:server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8FAB89DE-F2CA-4CEE-AB92-3387B6D23931", "versionEndExcluding": "7.8.2.1176", "versionStartIncluding": "7.8.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "3938794e-25f5-4123-a1ba-5cbd7f104512"}