CVE-2025-10263Arm 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,…
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No exploitation reported and no EPSS estimate yet.
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
- 9.1 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-362, CWE-266
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://developer.arm.com/documentation/112137
- http://www.openwall.com/lists/oss-security/2026/06/09/13
- http://xenbits.xen.org/xsa/advisory-493.html
- https://access.redhat.com/errata/RHSA-2026:34911
- https://access.redhat.com/errata/RHSA-2026:36018
- https://access.redhat.com/errata/RHSA-2026:36348
- https://access.redhat.com/errata/RHSA-2026:36349
- https://access.redhat.com/errata/RHSA-2026:40764
- https://access.redhat.com/errata/RHSA-2026:47248
- https://access.redhat.com/errata/RHSA-2026:49031
- https://access.redhat.com/errata/RHSA-2026:49033
- https://access.redhat.com/errata/RHSA-2026:51603
- https://access.redhat.com/errata/RHSA-2026:51604
- https://access.redhat.com/errata/RHSA-2026:51746
- https://access.redhat.com/errata/RHSA-2026:52649
- https://access.redhat.com/errata/RHSA-2026:54187
- https://access.redhat.com/errata/RHSA-2026:54205
- https://access.redhat.com/errata/RHSA-2026:54544
- https://access.redhat.com/errata/RHSA-2026:54553
- https://access.redhat.com/errata/RHSA-2026:54581
- https://access.redhat.com/errata/RHSA-2026:54599
- https://access.redhat.com/errata/RHSA-2026:55445
- https://access.redhat.com/errata/RHSA-2026:56786
- https://access.redhat.com/errata/RHSA-2026:56853
- https://access.redhat.com/errata/RHSA-2026:56911
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.