CVE-2026-34743
A remote, anonymous attacker can exploit a vulnerability in xz to execute arbitrary code.
CSIRTS triage
- What
- A vulnerability allows arbitrary code execution.
- Who is affected
- Remote, anonymous attackers targeting xz.
- Urgency
- High urgency due to the potential for remote code execution.
- Action
- Apply the latest security updates to address this vulnerability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.45% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all EPSS-scored CVEs.
Advisory coverage (1)
- high[UPDATE] [high] xz: Vulnerability allows code executioncert-bund · 2026-07-22
External references
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[](https://www.csirts.com/cve/CVE-2026-34743)