What is CVE-2023-20598?

CVE-2023-20598 is a high-severity vulnerability in AMD Radeon Pro W5500, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-10-17.

How severe is CVE-2023-20598?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-20598 known to be exploited?

13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in AMD Radeon Pro W5500

CVE-2023-20598

An improper privilege management in the AMD Radeon™ Graphics driver may allow an authenticated attacker to craft an IOCTL request to gain I/O control over arbitrary hardware ports or physical addresses resulting in a potential arbitrary code execution.

Vulnerability class: Privilege Escalation

Published 2023-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.2th percentile), scored 2026-10-31.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-6009 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-20598?: CVE-2023-20598 is a high-severity vulnerability in AMD Radeon Pro W5500, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2023-10-17.
How severe is CVE-2023-20598?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-20598 known to be exploited?: 13 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.