Testing with ubuntu-25.10-snapshot3-desktop-amd64.iso gives me:

sudo mokutil --sb-state [ -d /sys/firmware/efi ] && echo "UEFI" || echo "BIOS"
SecureBoot enabled
UEFI

sudo tpm2_getcap properties-fixed
TPM2_PT_FAMILY_INDICATOR: raw: 0x322E3000 value: "2.0" TPM2_PT_LEVEL: raw: 0 TPM2_PT_REVISION: raw: 0x8A value: 1.38 TPM2_PT_DAY_OF_YEAR: raw: 0x12F TPM2_PT_YEAR: raw: 0x7E3 TPM2_PT_MANUFACTURER: raw: 0x4E544300 value: "NTC" TPM2_PT_VENDOR_STRING_1: raw: 0x4E504354 value: "NPCT" TPM2_PT_VENDOR_STRING_2: raw: 0x37357800 value: "75x" TPM2_PT_VENDOR_STRING_3: raw: 0x22212134 value: ""!!4" TPM2_PT_VENDOR_STRING_4: raw: 0x726C7300 value: "rls" TPM2_PT_VENDOR_TPM_TYPE: raw: 0x0 TPM2_PT_FIRMWARE_VERSION_1: raw: 0x70002 TPM2_PT_FIRMWARE_VERSION_2: raw: 0x20000 TPM2_PT_INPUT_BUFFER: raw: 0x400 TPM2_PT_HR_TRANSIENT_MIN: raw: 0x5 TPM2_PT_HR_PERSISTENT_MIN: raw: 0x7 TPM2_PT_HR_LOADED_MIN: raw: 0x5 TPM2_PT_ACTIVE_SESSIONS_MAX: raw: 0x40 TPM2_PT_PCR_COUNT: raw: 0x18 TPM2_PT_PCR_SELECT_MIN: raw: 0x3 TPM2_PT_CONTEXT_GAP_MAX: raw: 0xFF TPM2_PT_NV_COUNTERS_MAX: raw: 0x0 TPM2_PT_NV_INDEX_MAX: raw: 0x800 TPM2_PT_MEMORY: raw: 0x6 TPM2_PT_CLOCK_UPDATE: raw: 0x400000 TPM2_PT_CONTEXT_HASH: raw: 0xC TPM2_PT_CONTEXT_SYM: raw: 0x6 TPM2_PT_CONTEXT_SYM_SIZE: raw: 0x100 TPM2_PT_ORDERLY_COUNT: raw: 0xFF TPM2_PT_MAX_COMMAND_SIZE: raw: 0x800 TPM2_PT_MAX_RESPONSE_SIZE: raw: 0x800 TPM2_PT_MAX_DIGEST: raw: 0x30 TPM2_PT_MAX_OBJECT_CONTEXT: raw: 0x714 TPM2_PT_MAX_SESSION_CONTEXT: raw: 0x148 TPM2_PT_PS_FAMILY_INDICATOR: raw: 0x1 TPM2_PT_PS_LEVEL: raw: 0x0 TPM2_PT_PS_REVISION: raw: 0x104 TPM2_PT_PS_DAY_OF_YEAR: raw: 0x0 TPM2_PT_PS_YEAR: raw: 0x0 TPM2_PT_SPLIT_MAX: raw: 0x80 TPM2_PT_TOTAL_COMMANDS: raw: 0x71 TPM2_PT_LIBRARY_COMMANDS: raw: 0x68 TPM2_PT_VENDOR_COMMANDS: raw: 0x9 TPM2_PT_NV_BUFFER_MAX: raw: 0x400 TPM2_PT_MODES: raw: 0x1 value: TPMA_MODES_FIPS_140_2

Might be related to #327