CVE-2025-31936: High severity Intel Xeon 6337p Firmware vulnerability

Published Aug 11, 2026
·
Updated

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.

Affected Software

146 affected components
All of the following
Intel Xeon 6337p Firmware
Intel Xeon 6337p
All of the following
Intel Xeon 6349p Firmware
Intel Xeon 6349p
All of the following
Intel Xeon 6353p Firmware
Intel Xeon 6353p
All of the following
Intel Xeon 6357p Firmware
Intel Xeon 6357p
All of the following
Intel Xeon 6369p Firmware
Intel Xeon 6369p
All of the following
Intel Xeon 6377p Firmware
Intel Xeon 6377p
All of the following
Intel Xeon 6503p Firmware
Intel Xeon 6503p
All of the following
Intel Xeon 6503p-b Firmware
Intel Xeon 6503p-b
All of the following
Intel Xeon 6505p Firmware
Intel Xeon 6505p
All of the following
Intel Xeon 6507p Firmware
Intel Xeon 6507p
All of the following
Intel Xeon 6511p Firmware
Intel Xeon 6511p
All of the following
Intel Xeon 6513p-b Firmware
Intel Xeon 6513p-b
All of the following
Intel Xeon 6515p Firmware
Intel Xeon 6515p
All of the following
Intel Xeon 6516p-b Firmware
Intel Xeon 6516p-b
All of the following
Intel Xeon 6517p Firmware
Intel Xeon 6517p
All of the following
Intel Xeon 6518p-b Firmware
Intel Xeon 6518p-b
All of the following
Intel Xeon 6520p Firmware
Intel Xeon 6520p
All of the following
Intel Xeon 6521p Firmware
Intel Xeon 6521p
All of the following
Intel Xeon 6523p-b Firmware
Intel Xeon 6523p-b
All of the following
Intel Xeon 6527p Firmware
Intel Xeon 6527p
All of the following
Intel Xeon 6530p Firmware
Intel Xeon 6530p
All of the following
Intel Xeon 6532p-b Firmware
Intel Xeon 6532p-b
All of the following
Intel Xeon 6533p-b Firmware
Intel Xeon 6533p-b
All of the following
Intel Xeon 6543p-b Firmware
Intel Xeon 6543p-b
All of the following
Intel Xeon 6544p-b Firmware
Intel Xeon 6544p-b
All of the following
Intel Xeon 6546p-b Firmware
Intel Xeon 6546p-b
All of the following
Intel Xeon 6548p-b Firmware
Intel Xeon 6548p-b
All of the following
Intel Xeon 6553p-b Firmware
Intel Xeon 6553p-b
All of the following
Intel Xeon 6556p-b Firmware
Intel Xeon 6556p-b
All of the following
Intel Xeon 6563p-b Firmware
Intel Xeon 6563p-b
All of the following
Intel Xeon 6706p-b Firmware
Intel Xeon 6706p-b
All of the following
Intel Xeon 6714p Firmware
Intel Xeon 6714p
All of the following
Intel Xeon 6716p-b Firmware
Intel Xeon 6716p-b
All of the following
Intel Xeon 6718p-b Firmware
Intel Xeon 6718p-b
All of the following
Intel Xeon 6724p Firmware
Intel Xeon 6724p
All of the following
Intel Xeon 6725p Firmware
Intel Xeon 6725p
All of the following
Intel Xeon 6726p-b Firmware
Intel Xeon 6726p-b
All of the following
Intel Xeon 6728p Firmware
Intel Xeon 6728p
All of the following
Intel Xeon 6730p Firmware
Intel Xeon 6730p
All of the following
Intel Xeon 6731p Firmware
Intel Xeon 6731p
All of the following
Intel Xeon 6732p Firmware
Intel Xeon 6732p
All of the following
Intel Xeon 6736p Firmware
Intel Xeon 6736p
All of the following
Intel Xeon 6737p Firmware
Intel Xeon 6737p
All of the following
Intel Xeon 6738p Firmware
Intel Xeon 6738p
All of the following
Intel Xeon 6740p Firmware
Intel Xeon 6740p
All of the following
Intel Xeon 6741p Firmware
Intel Xeon 6741p
All of the following
Intel Xeon 6745p Firmware
Intel Xeon 6745p
All of the following
Intel Xeon 6747p Firmware
Intel Xeon 6747p
All of the following
Intel Xeon 6748p Firmware
Intel Xeon 6748p
All of the following
Intel Xeon 6756p-b Firmware
Intel Xeon 6756p-b
All of the following
Intel Xeon 6760p Firmware
Intel Xeon 6760p
All of the following
Intel Xeon 6761p Firmware
Intel Xeon 6761p
All of the following
Intel Xeon 6766p-b Firmware
Intel Xeon 6766p-b
All of the following
Intel Xeon 6767p Firmware
Intel Xeon 6767p
All of the following
Intel Xeon 6768p Firmware
Intel Xeon 6768p
All of the following
Intel Xeon 6768p-b Firmware
Intel Xeon 6768p-b
All of the following
Intel Xeon 6774p Firmware
Intel Xeon 6774p
All of the following
Intel Xeon 6776p Firmware
Intel Xeon 6776p
All of the following
Intel Xeon 6776p-b Firmware
Intel Xeon 6776p-b
All of the following
Intel Xeon 6781p Firmware
Intel Xeon 6781p
All of the following
Intel Xeon 6787p Firmware
Intel Xeon 6787p
All of the following
Intel Xeon 6788p Firmware
Intel Xeon 6788p
All of the following
Intel Xeon 6944p Firmware
Intel Xeon 6944p
All of the following
Intel Xeon 6952p Firmware
Intel Xeon 6952p
All of the following
Intel Xeon 6960p Firmware
Intel Xeon 6960p
All of the following
Intel Xeon 6962p Firmware
Intel Xeon 6962p
All of the following
Intel Xeon 6972p Firmware
Intel Xeon 6972p
All of the following
Intel Xeon 6978p Firmware
Intel Xeon 6978p
All of the following
Intel Xeon 6979p Firmware
Intel Xeon 6979p
All of the following
Intel Xeon 6980p Firmware
Intel Xeon 6980p
All of the following
Intel Xeon 6315p Firmware
Intel Xeon 6315p
All of the following
Intel Xeon 6325p Firmware
Intel Xeon 6325p
All of the following
Intel Xeon 6333p Firmware
Intel Xeon 6333p

Event History

Aug 11, 2026
CVE Published
via MITRE·04:28 PM
Data Sourced
via MITRE·04:28 PM
DescriptionWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-31936?

CVE-2025-31936 has a risk rating of 38, indicating a moderate to high severity level.

2

How do I fix CVE-2025-31936?

To mitigate CVE-2025-31936, ensure that your Intel Xeon 6 processors are updated with the latest firmware and security patches from Intel.

3

What types of attacks does CVE-2025-31936 affect?

CVE-2025-31936 can be exploited by adversaries with privileged access using complex techniques to escalate privileges within the System Management Mode (SMM).

4

Who is affected by CVE-2025-31936?

CVE-2025-31936 primarily affects systems utilizing Intel Xeon 6 processors with Intel TDX technology.

5

When was CVE-2025-31936 published?

CVE-2025-31936 was published on August 11, 2026.

Contact

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