[UPDATE] [medium] QEMU: Vulnerability allows denial of service
A local attacker can exploit a vulnerability in QEMU to cause a denial-of-service state and potentially execute arbitrary code on the host.
CSIRTS triage
- What
- A vulnerability allows a local attacker to cause a denial-of-service state and potentially execute arbitrary code on the host.
- Who is affected
- Deployments of QEMU are affected.
- Urgency
- Remediation is medium urgency as exploitation is possible but not currently active.
- Action
- Update to the latest version of QEMU.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1908
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-489140.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-48914 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for QEMU
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [medium] QEMU: Vulnerability enables denial of servicecert-bund · 2026-09-04
- high[UPDATE] [high] QEMU: Vulnerability allows privilege escalationcert-bund · 2026-08-31
- low[UPDATE] [low] QEMU: Vulnerability enables information disclosurecert-bund · 2026-08-24
- high[UPDATE] [high] QEMU: Vulnerability allows privilege escalation or DoScert-bund · 2026-08-24
- highGHSA-2j9v-p4xj-cjw2: Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the gues…ghsa · 2026-08-14
- medium[NEW] [UNPATCHED] [medium] QEMU: Vulnerability allows Denial of Servicecert-bund · 2026-08-11
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