Lenovo ThinkPad X1 Carbon Gen 12
Laptops · Lenovo
0 subscribers
Latest Firmware
Version 1.48
Released
16.8 MB
Get Firmware Update Notifications
Get notified when new firmware is released for this device.
Firmware History
1.48
UEFI: 1.48 / ECP: 1.29 - (New) Updated Secure Boot DBX. - (New) Add Microsoft Option ROM UEFI CA 2023. (Note) DBX and DB are not updated automatically. It is required to perform “Restore Factory Keys” in Secure Boot menu in ThinkPad Setup. BitLocker Encryption must be suspended/disabled before performing “Restore Factory Keys” (Note) Certificate “Microsoft Option ROM UEFI CA 2023” is added to DB only when “Allow Microsoft 3rd Party UEFI CA” is set to On. - (New) Updated Intel UNDI driver. - (New) Updated Realtek UNDI driver. - (New) The condition to display TCO logo becomes stricter. TCO logo will not be displayed on some models. - (Fix) Fixed an issue where FIDO device setting page might be delayed in ThinkShield Passwordless Power-On Device Manager in BIOS Setup. - (Fix) Fixed an issue where PCIe LAN device name might not be displayed correctly in PXE Boot of Boot Menu. - (Fix) Fixed an issue where TCO logo is not displayed when the customized Logo feature is enabled.
Download from Lenovo (opens in new tab)1.47
UEFI: 1.47 / ECP: 1.29 - [Important] E nhancement to address security vulnerability, CVE-2025-31648. - [Important] Enhancement to address security vulnerability, CVE-2025-11381, CVE-2025-11282, CVE-2025-11383, CVE-2025-11384. - (New) Updated the CPU microcode. (Note) Above update will show "BIOS Self Healing backup progressing" message and bar on screen during BIOS update process. - (New) Updated the Diagnostics module to version 04.44.000. - (New) Updated UEFI CA for Lenovo Cloud Server.
Why Keep Your Firmware Updated
Laptop firmware updates cover the BIOS/UEFI, embedded controller, and sometimes trackpad or display controllers. These updates improve battery life, fix thermal throttling, patch security vulnerabilities, and can resolve issues with sleep/wake cycles. Back up important data before updating and keep your laptop plugged in during the process.