CVE-2025-10263

Advisory lineage Upstream: 0 Downstream: 19
Awaiting Analysis
Published: 09 Jun 2026, 09:23
Last modified:22 Jul 2026, 12:08

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
v3.1 (cve.org)
EPSS Score
0.47% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Jun 2026, 09:23
Published
Vulnerability first disclosed
22 Jul 2026, 12:08
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Trends

Current EPSS score: 0.47%• Percentile: 38%

Techniques & Countermeasures

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

    The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

  • CWE-266•Incorrect Privilege Assignment

    A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Affected Systems

  • arm•c1-premium

    All versions

  • arm•c1-ultra

    All versions

  • arm•cortex-a710

    All versions

  • arm•cortex-a76

    All versions

  • arm•cortex-a76ae

    All versions

  • arm•cortex-a77

    All versions

  • arm•cortex-a78

    All versions

  • arm•cortex-a78ae

    All versions

  • arm•cortex-a78c

    All versions

  • arm•cortex-x1

    All versions

  • arm•cortex-x1c

    All versions

  • arm•cortex-x2

    All versions

  • arm•cortex-x3

    All versions

  • arm•cortex-x4

    All versions

  • arm•cortex-x925

    All versions

  • arm•neoverse n1

    All versions

  • arm•neoverse n2

    All versions

  • arm•neoverse v1

    All versions

  • arm•neoverse v3

    All versions

  • arm•neoverse v3ae

    All versions

References (11)