CVE-2025-10263
CriticalCVSS 9.1Exploitation Probability (EPSS)
Low risk45th percentile - higher than 45% of all known CVEs
Summary
ARM Cortex and Neoverse series processors may allow writes to resources owned by a higher exception level. The vulnerability affects multiple models including Cortex-X925, Cortex-X4, Neoverse V3 and others.
Risk Assessment
An attacker with lower privilege levels could gain unauthorized access to critical system resources, potentially leading to privilege escalation and compromise of data confidentiality and integrity.
Recommendation
Apply microcode or firmware updates provided by the platform vendor. Restrict access to systems using vulnerable processors.
Original NVD description (English source)
Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A76 & A76A may allow writes to resources owned by a higher exception level.

