[UPDATE] [medium] Insyde UEFI Firmware: Multiple vulnerabilities
A local attacker can exploit multiple vulnerabilities in Insyde UEFI Firmware to conduct unspecified attacks, possibly execute arbitrary code, bypass security measures, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities in Insyde UEFI Firmware allow local attackers to execute arbitrary code, bypass security measures, or cause denial of service.
- Who is affected
- Systems running affected Insyde UEFI firmware versions.
- Urgency
- Medium severity; local access required but firmware-level compromise is critical if exploited.
- Action
- Obtain and apply UEFI firmware updates from OEM.
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-2026-0092
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-2025-120500.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2025-120510.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2025-120520.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2025-120530.15% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 4% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-12050 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-12051 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-12052 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-12053 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Insyde UEFI Firmware
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] [mittel] Insyde UEFI Firmware und Cisco UCS (UEFI Shell Secure Boot): Schwachstelle ermöglicht Umgehe…cert-bund · 2026-09-10
- low[NEW] [low] Insyde UEFI Firmware: Vulnerability allows unspecified attackcert-bund · 2026-08-26
- medium[NEW] [medium] Insyde UEFI Firmware: Vulnerability Enables Information Disclosurecert-bund · 2026-08-19
- high[NEW] [high] Insyde UEFI Firmware (InsydeH2O): Vulnerability enables Code Executioncert-bund · 2026-08-12
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