What is CVE-2025-10263?

CVE-2025-10263 is a critical-severity vulnerability, 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.

CVE-2025-10263

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

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.

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

arm-security@arm.com
af854a3a-2127-422b-91ae-364da2661108
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-10263?: CVE-2025-10263 is a critical-severity vulnerability, 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.