Tanium security advisory (AV26-673)
Serial number: AV26-673 Date: July 8, 2026 On July 7, 2026, Tanium published a security advisory to address a vulnerability in the following products: Tanium Server 2025H1 Release – versions prior to Update MR21 (v7.7.3.8298) Tanium Server 2025H2 Release – versions prior to Update MR11 (v7.8.2.1198) Tanium Server 2026H1 Release – versions prior to Update MR3 (v7.8.4.1327) The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates. Tanium Security Advisories - TAN-2026-016 Tanium Security Advisories
CSIRTS triage
- What
- A vulnerability has been identified in multiple releases of Tanium Server.
- Who is affected
- Users of Tanium Server versions prior to specified updates are affected.
- Urgency
- Remediation urgency is unclear as the severity is unknown.
- Action
- Review and apply the necessary updates for Tanium Server.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://cyber.gc.ca/en/alerts-advisories/tanium-security-advisory-av26-673
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