Privilege escalation in Arm C1-premium
CVE-2025-10263
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…
Vulnerability class: Race Condition
EPSS: 0.005 (42.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Arm C1-premium — versions 0
- Arm C1-ultra — versions 0
- Arm Cortex-a710 — versions 0
- Arm Cortex-a76 — versions 0
- Arm Cortex-a76ae — versions 0
- Arm Cortex-a77 — versions 0
- Arm Cortex-a78 — versions 0
- Arm Cortex-a78ae — versions 0
- Arm Cortex-a78c — versions 0
- Arm Cortex-x1 — versions 0
Weakness classification (CWE)
References
- arm-security@arm.com
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2025-10263?
- CVE-2025-10263 is a critical-severity vulnerability in Arm C1-premium, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 9.1/10. Published 2026-06-09.
- How severe is CVE-2025-10263?
- Critical severity. CVSS v3 base score is 9.1 out of 10.