CVE-2026-20901
A local attacker can exploit multiple vulnerabilities in Intel Processor to gain elevated privileges, manipulate data, disclose confidential information, or trigger a denial-of-service condition.
CSIRTS triage
- What
- Multiple processor vulnerabilities allow local privilege escalation, data manipulation, information disclosure, and denial of service.
- Who is affected
- Systems with Intel processors where local access is possible.
- Urgency
- Medium severity for processor-level issues; requires local access but impacts confidentiality and integrity.
- Action
- Install microcode updates and firmware patches from Intel for the affected processor lines.
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 (2)
- medium[NEW] [medium] Intel Processor: Multiple Vulnerabilitiescert-bund · 2026-08-25
- unknownCVE-2026-20901: Improper input validation for some Intel(R) Xeon(R) processors within firmware may allow an es…nvd · 2026-08-11
External references
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