How severe is CVE-2026-9208?

CVE-2026-9208 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-9208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-9208?

CVE-2026-9208 affects Tanium Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-9208?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-9208 have an EU (EUVD) identifier?

Yes. CVE-2026-9208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32667.

When was CVE-2026-9208 published?

CVE-2026-9208 was published on 2026-05-27 and last updated on 2026-06-17.

CVE-2026-9208

CVE-2026-9208 is a high-severity vulnerability in Tanium Connect with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32667
Weakness: CWE-78
Affected product: Tanium Connect
Published: 2026-05-27
Last modified: 2026-06-17

Description

Tanium addressed an unauthorized code execution vulnerability in Connect.

Frequently asked questions

What is CVE-2026-9208?: Tanium addressed an unauthorized code execution vulnerability in Connect.
How severe is CVE-2026-9208?: CVE-2026-9208 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-9208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-9208?: CVE-2026-9208 affects Tanium Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-9208?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-9208 have an EU (EUVD) identifier?: Yes. CVE-2026-9208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32667.
When was CVE-2026-9208 published?: CVE-2026-9208 was published on 2026-05-27 and last updated on 2026-06-17.

References

https://security.tanium.com/TAN-2026-015

Affected products (1)

cpe:2.3:a:tanium:connect:*:*:*:*:*:*:*:*

More vulnerabilities in Tanium Connect

CVE-2026-9207 — High (CVSS 8.8): Tanium addressed an unauthorized code execution vulnerability in Connect.
CVE-2026-12139 — Medium (CVSS 4.4): Tanium addressed an information disclosure vulnerability in Connect.
CVE-2025-15331 — Medium (CVSS 4.3): Tanium addressed an uncontrolled resource consumption vulnerability in Connect.

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