CVE-2025-10263

CRITICAL

ARM C1-Ultra - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Title source: rule
STIX 2.1

Description

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.

References (12)

Core 12
Core References

Scores

CVSS v3 9.1
EPSS 0.0055
EPSS Percentile 42.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-266 CWE-362
Status published
Products (20)
Arm/C1-Premium
Arm/C1-Ultra
Arm/Cortex-A710
Arm/Cortex-A76
Arm/Cortex-A76AE
Arm/Cortex-A77
Arm/Cortex-A78
Arm/Cortex-A78AE
Arm/Cortex-A78C
Arm/Cortex-X1
... and 10 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026