CVE-2026-6484
A local attacker can exploit a vulnerability in Insyde UEFI Firmware to execute arbitrary code.
CSIRTS triage
- What
- A vulnerability in Insyde UEFI firmware allows local attackers to execute arbitrary code.
- Who is affected
- Systems with Insyde firmware are affected if attackers gain local access.
- Urgency
- High priority; firmware-level code execution is difficult to remediate and impacts system security.
- Action
- Apply firmware updates from device manufacturers using Insyde UEFI firmware.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[NEW] [high] Insyde UEFI Firmware (InsydeH2O): Vulnerability enables Code Executioncert-bund · 2026-08-12
- highCVE-2026-6484: In an UEFI, Lack of verified boot to certain FV may cause arbitrary code execution.nvd · 2026-08-12
External references
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