CVE-2026-0461 AMD Zynq UltraScale+ MPSoC & RFSoC - Buffer Overflow

AMD Zynq UltraScale+ MPSoC and RFSoC devices contain a buffer overflow caused by insufficient boundary validation in USB boot mode DFU download requests, letting attackers execute unauthorized code during boot, exploit requires USB boot mode access.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service, Information Disclosure, Data Tampering
CVSS 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/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
5 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to the latest firmware version provided by AMD.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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