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P5
CVE-2026-7328: Core Runtime Firmware 2.1.0
CVE-2026-7328. EPSS 0.0013 (percentile 0.02386), scored 22-Oct-2026.
Affected technology
Core Runtime Firmware · 2.1.0
Caliptra
Component: INVOKE_DPE_MLDSA87, CM_AES_GCM_DECRYPT_DMA, EXTERNAL_MAILBOX_CMD
Attack conditions (Source advisory, CVSS 4.0): Local · Low privileges required · No user interaction required
What an attacker can do
A privileged local attacker can cause a denial of service via mailbox commands containing unverified AXI addresses. Source advisory’s CVSS 4.0 assessment (base score 6.8/10) rates confidentiality and integrity impact as none; availability impact as high.
- CWE
- CWE-862
- CCR priority
- 0.0 /100 (P5)
- EPSS
- 0.0013 · percentile 0.02387 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-7328.html