Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Network-reachable, low complexity, authenticated low-privilege trigger, availability-only impact - vendor-supplied vector is consistent with described behavior.
Primary rating from Vendor (Tanium).
CVSS VectorVendor: Tanium
Lifecycle Timeline
3DescriptionCVE.org
Tanium addressed an improper access controls vulnerability in Tanium Server.
AnalysisAI
Improper access control (CWE-863) in Tanium Server allows authenticated low-privilege users to impact platform availability without the required authorization. Affecting three active version branches (7.7.3, 7.8.2, and 7.8.4), the flaw was self-reported and patched by Tanium under advisory TAN-2026-031. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid, authenticated Tanium Server account with at least low privilege - a fully unauthenticated attacker cannot exploit this flaw. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The overall risk profile is moderate-low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Tanium Server to the patched builds released by Tanium: 7.7.3.8298 or later for the 7.7.3 branch, 7.8.2.1198 or later for the 7.8.2 branch, and 7.8.4.1327 or later for the 7.8.4 branch, per advisory TAN-2026-031 at https://security.tanium.com/TAN-2026-031. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Tanium Server
View allAuthenticated information disclosure in Tanium Server across three supported release branches (7.7.3, 7.8.2, and 7.8.4)
UI Misrepresentation of Critical Information in Tanium Server enables a highly privileged network-accessible attacker to
Tanium Server allows high-privileged authenticated users to disclose sensitive information through an unspecified networ
Same weakness CWE-863 – Incorrect Authorization
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-74553
GHSA-g629-hjx7-hrrr