High 7.9Published Jan 14, 2026

CVE-2025-0647In certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareabili…

Updated under an hour ago (Oct 26, 2026, 2:30 PM ET)

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It affects Arm Neoverse-N2 and 21 other products. Add what you run to find out whether that includes you.

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Every CVE for Arm Neoverse-N2

Exploited in the last 30 days

In certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareability domain. In this case, the PE may retain stale TLB entries which should have been invalidated by the TLBI.

CVSS: 7.9 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Weakness (CWE): CWE-226
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Arm
NVD analysis: Analyzed
Record last updated: Jan 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Arm Neoverse-N2 arm:neoverse_n2 (from the name)	0	CNA record
Arm Neoverse-V3AE arm:neoverse_v3ae (from the name)	0	CNA record
Arm Neoverse-V3 arm:neoverse_v3 (from the name)	0	CNA record
Arm Neoverse-V2 arm:neoverse_v2 (from the name)	0	CNA record
Arm Cortex-X925 arm:cortex_x925 (from the name)	0	CNA record
Arm Cortex-X4 arm:cortex_x4 (from the name)	0	CNA record
Arm Cortex-X3 arm:cortex_x3 (from the name)	0	CNA record
Arm Cortex-X2 arm:cortex_x2 (from the name)	0	CNA record
Arm Cortex-A710 arm:cortex_a710 (from the name)	0	CNA record
Arm C1-Premium arm:c1_premium (from the name)	0	CNA record
1–10 of 22

References

References

https://developer.arm.com/documentation/111546	vendor-advisory
https://graph.volerion.com/view?ID=CVE-2025-0647	third-party-advisory

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.