Medium 4.6Published May 19, 2026

CVE-2024-36343Improper 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 Memo…

Updated under an hour ago (Oct 27, 2026, 5:40 PM ET)

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It affects AMD EPYC™ 4004 and 16 other products. Add what you run to find out whether that includes you.

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Every CVE for AMD EPYC™ 4004

Exploited in the last 30 days

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.

CVSS: 4.6 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-124
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMD
NVD analysis: Awaiting Analysis
Record last updated: May 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AMD AMD EPYC™ 4004 amd:epyctm_4004 (from the name)	ComboAM5PI 1.1.0.3d not affected	CNA record
AMD AMD EPYC™ 4005 amd:epyctm_4005 (from the name)	ComboAM5 1.2.0.3j not affected	CNA record
AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics amd:ryzentm_6000_series_processors_with_radeontm_graphics (from the name)	RembrandtPI-FP7_1.0.0.Bg not affected	CNA record
AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_7040_series_mobile_processors_with_radeontm_graphics (from the name)	PhoenixPI-FP8-FP7_1.2.0.0f not affected	CNA record
AMD AMD Ryzen™ 7045 Series Mobile Processors with Radeon™ Graphics amd:ryzentm_7045_series_mobile_processors_with_radeontm_graphics (from the name)	DragonRangeFL1_1.0.0.3l not affected	CNA record
AMD AMD Ryzen™ 7000 Series Desktop Processors amd:ryzentm_7000_series_desktop_processors (from the name)	ComboAM5-PI_1.0.0.e not affected; ComboAM5PI 1.1.0.3g not affected; ComboAM5 1.2.0.3j not affected	CNA record
AMD AMD Ryzen™ 9000HX Series Mobile Processors amd:ryzentm_9000hx_series_mobile_processors (from the name)	FireRangeFL1PI 1.0.0.0f not affected	CNA record
AMD AMD Ryzen™ AI MAX amd:ryzentm_ai_max (from the name)	StrixHaloPI-FP11_1.0.0.2b not affected	CNA record
AMD AMD Ryzen™ AI 300 Series Processors amd:ryzentm_ai_300_series_processors (from the name)	StrixKrackanPI-FP8_1.1.0.0f not affected; StrixKrackanPI-FP8_1.1.0.2e not affected	CNA record
AMD AMD Ryzen™ Threadripper™ 7000 Processors amd:ryzentm_threadrippertm_7000_processors (from the name)	StormPeakPI-SP6 1.1.0.0k not affected	CNA record
1–10 of 17

References

References

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.