MSI B550M PRO-VDH WIFI: Why do MSI not fix serious AMD TPM Firmware Bug?

According to AMD, there is a serious bug in TPM firmware with regards to attestation.

(In case you wonder, TPM attestation means that a party using a secret key can prove the secret key is handled securely by means of a hardware module, so it cannot be misused or accidentally exposed.)

AMD made a fix available already more than 2 years ago, according to said article.

I was curious and wanted to find out if MSI provided this fix to their customers already, so I executed the below PowerShell command (as an admin) on my PC that is equipped with a B550M PRO-VDH WIFI motherboard, running the latest UEFI version 7C95v2M (released 2025-04-17) as of today (2025-07-11):

PS C:\WINDOWS\system32> Get-TPM


TpmPresent                : True
TpmReady                  : True
TpmEnabled                : True
TpmActivated              : True
TpmOwned                  : True
RestartPending            : True
ManufacturerId            : 1095582720
PpiVersion                : 1.3
ManufacturerIdTxt         : AMD
ManufacturerVersion       : 3.92.0.5
ManufacturerVersionFull20 : 3.92.0.5
ManagedAuthLevel          : Full
OwnerAuth                 :
OwnerClearDisabled        : False
AutoProvisioning          : Enabled
LockedOut                 : False
LockoutHealTime           : 2 hours
LockoutCount              : 0
LockoutMax                : 32
SelfTest                  : {}

As you can see, my board has a firmware version of 3.92.0.5 installed, which matches 3.*.0.* as vulnerable, while 3.*.2.* would have contained the fix.

This is very disappointing. I chose MSI and paid a premium price because I trusted MSI. It seems that when my other PC no longer receives Windows 10 updates in October, I need to choose a different supplier than MSI to build a new PC. 😞