# CVE-2025-10263

## Summary

- **CVE ID:** CVE-2025-10263
- **Severity:** HIGH
- **CVSS Score:** 8.4 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N)
- **CWE:** CWE-362
- **Published:** Jun 9, 2026
- **Last Modified:** Sep 4, 2026

## 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.

## Affected Products

- Arm — C1-Ultra (0)
- Arm — C1-Premium (0)
- Arm — Neoverse V3 (0)
- Arm — Neoverse V3AE (0)
- Arm — Neoverse V1 (0)
- Arm — Neoverse N2 (0)
- Arm — Neoverse N1 (0)
- Arm — Cortex-X925 (0)
- Arm — Cortex-X4 (0)
- Arm — Cortex-X3 (0)
- Arm — Cortex-X2 (0)
- Arm — Cortex-X1 (0)
- Arm — Cortex-X1C (0)
- Arm — Cortex-A710 (0)
- Arm — Cortex-A78 (0)
- Arm — Cortex-A78AE (0)
- Arm — Cortex-A78C (0)
- Arm — Cortex-A77 (0)
- Arm — Cortex-A76 (0)
- Arm — Cortex-A76AE (0)

## References

- [CNA](https://developer.arm.com/documentation/112137)
- [CVE](http://xenbits.xen.org/xsa/advisory-493.html)
- [CVE](http://www.openwall.com/lists/oss-security/2026/06/09/13)
- [redhat-SADP](https://access.redhat.com/security/cve/CVE-2025-10263)
- [redhat-SADP](https://bugzilla.redhat.com/show_bug.cgi?id=2486958)
- [redhat-SADP](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-10263.json)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:34911)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36018)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36349)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:36348)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:40764)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:47248)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:49031)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:49033)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:51603)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:51604)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:51746)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:52649)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:55445)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54599)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54581)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54544)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54553)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54205)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:54187)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:56786)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:56911)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:56853)
- [redhat-SADP](https://access.redhat.com/errata/RHSA-2026:60019)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.57%
- **EPSS Percentile:** 45.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._