# CVE-2024-36343

## Summary

- **CVE ID:** CVE-2024-36343
- **Severity:** MEDIUM
- **CVSS Score:** 4.6 (CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-124
- **Published:** May 19, 2026
- **Last Modified:** May 20, 2026

## Description

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

## Affected Products

- AMD — AMD EPYC™ 4004 (ComboAM5PI 1.1.0.3d)
- AMD — AMD EPYC™ 4005 (ComboAM5 1.2.0.3j)
- AMD — AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics (RembrandtPI-FP7_1.0.0.Bg)
- AMD — AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics (PhoenixPI-FP8-FP7_1.2.0.0f)
- AMD — AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics (DragonRangeFL1_1.0.0.3l)
- AMD — AMD Ryzen™ 7000 Series Desktop Processors (ComboAM5-PI_1.0.0.e)
- AMD — AMD Ryzen™ 7000 Series Desktop Processors (ComboAM5PI 1.1.0.3g)
- AMD — AMD Ryzen™ 7000 Series Desktop Processors (ComboAM5 1.2.0.3j)
- AMD — AMD Ryzen™ 9000HX Series Mobile Processors (FireRangeFL1PI 1.0.0.0f)
- AMD — AMD Ryzen™ AI MAX (StrixHaloPI-FP11_1.0.0.2b)
- AMD — AMD Ryzen™ AI 300 Series Processors (StrixKrackanPI-FP8_1.1.0.0f)
- AMD — AMD Ryzen™ AI 300 Series Processors (StrixKrackanPI-FP8_1.1.0.2e)
- AMD — AMD Ryzen™ Threadripper™ 7000 Processors (StormPeakPI-SP6 1.1.0.0k)
- AMD — AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (StormPeakPI-SP6 1.0.0.1m)
- AMD — AMD Ryzen™ Threadripper™ PRO 7000 WX-Series Processors (StormPeakPI-SP6_1.1.0.0k)
- AMD — AMD Ryzen™ 8000 Series Desktop Processors (ComboAM5PI 1.1.0.3g)
- AMD — AMD Ryzen™ 8000 Series Desktop Processors (ComboAM5 1.2.0.3j)
- AMD — AMD Ryzen™ 9000 Series Desktop Processors (ComboAM5 1.2.0.3j)
- AMD — AMD Ryzen™ Embedded V3000 Series Processors (Embedded-PI_FP7r2 100F)
- AMD — AMD Ryzen™ Embedded 7000 Series Processors (EmbeddedAM5PI 1.0.0.5)
- AMD — AMD Ryzen™ Embedded 8000 Series Processors (EmbeddedPhoenixPI-FP7r2_1.0.0.4)
- AMD — AMD Ryzen™ Embedded 9000 Series Processors (EmbeddedAM5PI 1.0.0.7)

## References

- [CNA](https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html)
- [CNA](https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.19%
- **EPSS Percentile:** 8.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._