CVE-2025-31936

Medium

Description

Improper handling of overlap between protected memory ranges for some Intel(R) Xeon(R) 6 processors when using Intel(R) TDX within SMM may allow an escalation of privilege. SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are present with special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.

SeverityMedium
CVSS5.7
Exploit probability—
ProductIntel Xeon 6337p Firmware
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-1260CWE-1260

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
intel xeon_6337p_firmwareNo range specified—
intel xeon_6349p_firmwareNo range specified—
intel xeon_6353p_firmwareNo range specified—
intel xeon_6357p_firmwareNo range specified—
intel xeon_6369p_firmwareNo range specified—
intel xeon_6377p_firmwareNo range specified—
intel xeon_6503p_firmwareNo range specified—
intel xeon_6503p-b_firmwareNo range specified—
intel xeon_6505p_firmwareNo range specified—
intel xeon_6507p_firmwareNo range specified—
intel xeon_6511p_firmwareNo range specified—
intel xeon_6513p-b_firmwareNo range specified—
intel xeon_6515p_firmwareNo range specified—
intel xeon_6516p-b_firmwareNo range specified—
intel xeon_6517p_firmwareNo range specified—
intel xeon_6518p-b_firmwareNo range specified—
intel xeon_6520p_firmwareNo range specified—
intel xeon_6521p_firmwareNo range specified—
intel xeon_6523p-b_firmwareNo range specified—
intel xeon_6527p_firmwareNo range specified—
intel xeon_6530p_firmwareNo range specified—
intel xeon_6532p-b_firmwareNo range specified—
intel xeon_6533p-b_firmwareNo range specified—
intel xeon_6543p-b_firmwareNo range specified—
intel xeon_6544p-b_firmwareNo range specified—
intel xeon_6546p-b_firmwareNo range specified—
intel xeon_6548p-b_firmwareNo range specified—
intel xeon_6553p-b_firmwareNo range specified—
intel xeon_6556p-b_firmwareNo range specified—
intel xeon_6563p-b_firmwareNo range specified—
intel xeon_6706p-b_firmwareNo range specified—
intel xeon_6714p_firmwareNo range specified—
intel xeon_6716p-b_firmwareNo range specified—
intel xeon_6718p-b_firmwareNo range specified—
intel xeon_6724p_firmwareNo range specified—
intel xeon_6725p_firmwareNo range specified—
intel xeon_6726p-b_firmwareNo range specified—
intel xeon_6728p_firmwareNo range specified—
intel xeon_6730p_firmwareNo range specified—
intel xeon_6731p_firmwareNo range specified—
intel xeon_6732p_firmwareNo range specified—
intel xeon_6736p_firmwareNo range specified—
intel xeon_6737p_firmwareNo range specified—
intel xeon_6738p_firmwareNo range specified—
intel xeon_6740p_firmwareNo range specified—
intel xeon_6741p_firmwareNo range specified—
intel xeon_6745p_firmwareNo range specified—
intel xeon_6747p_firmwareNo range specified—
intel xeon_6748p_firmwareNo range specified—
intel xeon_6756p-b_firmwareNo range specified—
intel xeon_6760p_firmwareNo range specified—
intel xeon_6761p_firmwareNo range specified—
intel xeon_6766p-b_firmwareNo range specified—
intel xeon_6767p_firmwareNo range specified—
intel xeon_6768p_firmwareNo range specified—
intel xeon_6768p-b_firmwareNo range specified—
intel xeon_6774p_firmwareNo range specified—
intel xeon_6776p_firmwareNo range specified—
intel xeon_6776p-b_firmwareNo range specified—
intel xeon_6781p_firmwareNo range specified—
intel xeon_6787p_firmwareNo range specified—
intel xeon_6788p_firmwareNo range specified—
intel xeon_6944p_firmwareNo range specified—
intel xeon_6952p_firmwareNo range specified—
intel xeon_6960p_firmwareNo range specified—
intel xeon_6962p_firmwareNo range specified—
intel xeon_6972p_firmwareNo range specified—
intel xeon_6978p_firmwareNo range specified—
intel xeon_6979p_firmwareNo range specified—
intel xeon_6980p_firmwareNo range specified—
intel xeon_6315p_firmwareNo range specified—
intel xeon_6325p_firmwareNo range specified—
intel xeon_6333p_firmwareNo range specified—

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CVE-2025-31936 · Intel Xeon 6337p Firmware · Dark Radar