CVE-2026-63623
A local attacker can exploit multiple vulnerabilities in libvirt to gain administrator privileges and disclose confidential information.
CSIRTS triage
- What
- Multiple vulnerabilities in libvirt allow local attackers to gain administrator privileges and disclose confidential information.
- Who is affected
- Systems running libvirt with local user access are affected.
- Urgency
- Medium priority; requires local access but results in privilege escalation and information disclosure.
- Action
- Update libvirt to patched versions addressing CVE-2026-63622 and CVE-2026-63623.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.10% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 1% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] libvirt: Multiple vulnerabilities allowcert-bund · 2026-08-11
- mediumCVE-2026-63623: Libvirt: information disclosure via world-readable storage volume images during clone/convertmsrc · 2026-08-11
- mediumCVE-2026-63623: A flaw was found in libvirt. During storage volume clone or convert operations, newly created …nvd · 2026-08-10
External references
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