Lenovo ThinkPad X1 Carbon Gen 12
Laptops · Lenovo
Latest Firmware
Version 1.50
Released
16.9 MB
Update track record
- releases tracked since 2026
- 4
- typical gap between releases
- ~2 months
- since the latest release
- 42 days
- security-related releases · latest 2026-08-04
- 4
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Get notified when new firmware is released for this device.
Firmware History
1.50
LatestSecurityUEFI: 1.50 / ECP: 1.30 - [Important] E nhancement to address security vulnerability, CVE-2025-35973 . - (New) Updated the Diagnostics module to version 04.47.000. - (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) Enforce ME capsule update when Intel Management Engine Firmware is corrupted.
CVE-2025-35973 (opens in new tab)
Download from Lenovo (opens in new tab)
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.