MEDIUMCVSS v4 5.9Vulnerability

CVE-2026-0455

The Versal™ AI Edge Series Gen 2 Peripheral Protection Unit (XPPU) for the inter-processor interrupt (IPI) buffers does not block unauthorized access as expected. This allows processors in the SoC with any IPI channel access the ability to both read and write to the entire IPI buffer register space as well as the IPI no-buffer register control space.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00136
Cvss score
5.9
Cvss severity
MEDIUM
Retrieved at
2026-11-14T00:51:02+00:00
Score
5.9
Last source
FIRST EPSS
Cvss version
4.0
Cve id
CVE-2026-0455
Cvss vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-11-13T00:03:24+00:00
Name
CVE-2026-0455
Vector
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:H/SC:L/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-11-12T20:18:14.237
Last modified
2026-11-13T02:18:49.017
Epss percentile
0.03108

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-0455 (CVSS v4 5.9) — Ninja Signal Threat Intelligence | Ninja Signal