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Vulnerability · Published Oct 5, 2026 · Assigned by AMD

CVE-2026-0461

High 7.5

In plain English

A high-severity out-of-bounds write in Kria SOMs from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 4.0)7.5High
Exploit odds (30 days)0.1%top 97.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient boundary validation in the USB boot mode implementation of AMD Zynq™ UltraScale+ MPSoC and RFSoC devices could allow unbounded Device Firmware Upgrade (DFU) download requests to overflow the DDR receive buffer into FSBL memory, potentially resulting in unauthorized code execution during the boot process. This issue could impact the confidentiality, integrity, or availability of affected system.

Affected products (as reported)

VendorProductVersions
AMD Zynq™ UltraScale+ MPSoCs see references
AMD Zynq™ UltraScale+ RFSoCs see references
AMD Kria SOMs see references

Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References