AMD Ryzen 4000 Series Desktop Processors vulnerabilities

32 CVEs affecting AMD Ryzen 4000 Series Desktop Processors, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-20572, published 2026-06-26.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-21961, published 2026-02-13. Medium severity, CVSS 6.0. EPSS: 0.3% chance of exploitation in the next 30 days. Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack…
CVE-2025-62619, published 2026-05-14. Medium severity, CVSS 6.3. EPSS: 0.3% chance of exploitation in the next 30 days. Missing authentication in the KVM key download endpoint could allow an unauthenticated attacker with knowledge of the exposed URL to retrieve sensitive keys, potentially leading to loss of…
CVE-2025-52533, published 2026-02-12. High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days. Improper Access Control in an on-chip debug interface could allow a privileged attacker to enable a debug interface and potentially compromise data confidentiality or integrity.
CVE-2025-54518, published 2026-05-15. High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days. Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially…
CVE-2022-23817, published 2024-08-13. High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient checking of memory buffer in AMD Secure Processor (ASP) Secure OS may allow an attacker with a malicious trusted application to read/write to the ASP Secure OS kernel virtual address…
CVE-2024-36355, published 2026-02-10. High severity, CVSS 7.0. EPSS: 0.2% chance of exploitation in the next 30 days. Improper input validation in the SMM handler could allow an attacker with Ring0 access to write to SMRAM and modify execution flow for S3 (sleep) wake up, potentially resulting in arbitrary code…
CVE-2024-36342, published 2025-09-06. High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days. Improper input validation in the GPU driver could allow an attacker to exploit a heap overflow potentially resulting in arbitrary code execution.
CVE-2025-62625, published 2026-05-14. Medium severity, CVSS 6.0. EPSS: 0.2% chance of exploitation in the next 30 days. Improper privilege management in the KVM key download component could allow an attacker to swap tokens and download sensitive keys, potentially resulting in unauthorized access to privileged…
CVE-2021-26383, published 2025-09-06. High severity, CVSS 7.9. EPSS: 0.2% chance of exploitation in the next 30 days. Insufficient bounds checking in AMD TEE (Trusted Execution Environment) could allow an attacker with a compromised userspace to invoke a command with malformed arguments leading to out of bounds…
CVE-2021-26381, published 2026-02-10. High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days. Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory…

Latest

CVE-2023-20572, published 2026-06-26. Medium severity, CVSS 5.6. EPSS: 0.2% chance of exploitation in the next 30 days. An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authentication code, allowing the input of an arbitrary message,…
CVE-2021-46747, published 2026-06-01. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures…
CVE-2025-48516, published 2026-05-15. Medium severity, CVSS 6.9. EPSS: 0.1% chance of exploitation in the next 30 days. Insecure default configuration state of DDR5 memory module by AGESA Bootloader Firmware could allow an attacker with local user privilege to abuse the unprotected PMIC interface to create a permanent…
CVE-2024-21962, published 2026-05-15. High severity, CVSS 8.6. EPSS: 0.1% chance of exploitation in the next 30 days. Improper Input Validation in the AMD RAID driver could allow an attacker to point to an arbitrary memory location potentially resulting in privilege escalation and arbitrary code execution.
CVE-2023-31316, published 2026-05-15. High severity, CVSS 7.1. EPSS: 0.1% chance of exploitation in the next 30 days. Improperly preserved integrity of hardware configuration state during a power save/restore operation in the AMD Secure Processor (ASP) could allow an attacker with the ability to write outside the…
CVE-2021-26380, published 2026-05-15. Low severity, CVSS 1.8. EPSS: 0.1% chance of exploitation in the next 30 days. A compromised Trusted OS (TOS) driver could issue a malformed call that could potentially allow memory access outside the intended range resulting in loss of integrity.
CVE-2026-0432, published 2026-05-15. High severity, CVSS 8.5. EPSS: 0.1% chance of exploitation in the next 30 days. Incorrect default permissions in the installation directory for the AMD chipset driver could allow an attacker to achieve privilege escalation resulting in arbitrary code execution.