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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Intel(R) Pentium(R) Processor Silver Series, Intel(R) Celeron(R) Processor J Series, Intel(R) Celeron(R) Processor N Series may allow an escalation of privilege. Hardware reverse engineer adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.", "source": "cna", "vendor": "n/a"}, "product": "celeron_processor_j_series", "vendor": "intel"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Intel(R) Pentium(R) Processor Silver Series, Intel(R) Celeron(R) Processor J Series, Intel(R) Celeron(R) Processor N Series may allow an escalation of privilege. Hardware reverse engineer adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.", "source": "cna", "vendor": "n/a"}, "product": "celeron_processor_n_series", "vendor": "intel"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Intel(R) Pentium(R) Processor Silver Series, Intel(R) Celeron(R) Processor J Series, Intel(R) Celeron(R) Processor N Series may allow an escalation of privilege. Hardware reverse engineer adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via physical access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.", "source": "cna", "vendor": "n/a"}, "product": "pentium_processor_silver_series", "vendor": "intel"}], "analysis": {"en": {"generated_at": "2026-04-08T20:38:26.135574+00:00", "value": {"mitigation_remediation": ["Check the Intel Security Advisory SA\u201100609 for any available microcode or firmware updates and apply them immediately.", "If no update is available, restrict physical access to the affected machines and enforce strict privileged\u2011user policies.", "Configure and monitor for unusual privilege\u2011escalation or cryptographic key usage activity.", "Consider replacing affected processors with newer models that do not rely on default cryptographic keys."], "summary": {"action": "Patch", "impact": "Escalation of Privilege leading to potential confidentiality and integrity compromise"}, "threat_synthesis": {"affected_systems": "Processors in the Intel Pentium\u202fSilver Series, Intel\u202fCeleron\u202fJ Series, and Intel\u202fCeleron\u202fN Series are listed as vulnerable. No specific model or version identifiers are supplied in this record, so all variants of these families should be treated cautiously.", "description_and_impact": "The issue arises from the use of a default cryptographic key embedded in certain Intel processor families. An adversary who has privileged access and the knowledge to reverse\u2011engineer the hardware can exploit this weakness in a high\u2011complexity attack that requires physical access but no active user interaction. The exploitation would grant elevated privileges, allowing the attacker to read or capture sensitive data, subsequently threatening the confidentiality and integrity of the affected system.", "risk_and_exploitability": "The vulnerability carries a CVSS score of 5.8, indicating a moderate severity. The EPSS score is not available and the issue is not currently listed in the CISA KEV catalog. Because the attack requires physical access and a higher\u2011complexity reverse\u2011engineering effort, the likelihood of exploitation is lower than for remotely executable flaws, yet the potential impact on confidentiality and integrity remains significant if the conditions are met."}}}}, "created": "2026-04-09T08:18:30.046450+00:00", "title": "Escalation of Privilege via Default Cryptographic Key in Intel Processors", "updated": "2026-04-09T08:27:52.540937+00:00", "vendors": ["intel", "intel$PRODUCT$celeron_processor_j_series", "intel$PRODUCT$celeron_processor_n_series", "intel$PRODUCT$pentium_processor_silver_series"]}