How severe is CVE-2026-87084?

CVE-2026-87084 has a CVSS 3.x base score of 7.7, 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 none, and availability none.

Is CVE-2026-87084 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-87084?

CVE-2026-87084 affects Tanium Enforce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-87084?

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.

When was CVE-2026-87084 published?

CVE-2026-87084 was published on 2026-09-09 and last updated on 2026-09-16.

CVE-2026-87084

CVE-2026-87084 is a high-severity vulnerability in Tanium Enforce with a CVSS 3.x base score of 7.7. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Tanium Enforce
Published: 2026-09-09
Last modified: 2026-09-16

Description

Tanium addressed a server-side request forgery vulnerability in Enforce.

Frequently asked questions

What is CVE-2026-87084?: Tanium addressed a server-side request forgery vulnerability in Enforce.
How severe is CVE-2026-87084?: CVE-2026-87084 has a CVSS 3.x base score of 7.7, 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 none, and availability none.
Is CVE-2026-87084 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-87084?: CVE-2026-87084 affects Tanium Enforce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-87084?: 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.
When was CVE-2026-87084 published?: CVE-2026-87084 was published on 2026-09-09 and last updated on 2026-09-16.

References

https://security.tanium.com/TAN-2026-036

Affected products (1)

cpe:2.3:a:tanium:enforce:*:*:*:*:*:*:*:*

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CVE-2026-87088 — High (CVSS 7.0): Tanium addressed an unauthorized code execution vulnerability in Enforce.
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