Lenovo ThinkBook 14 G6 IRL (Intel)
Laptops · Lenovo
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Latest Firmware
Version MMCN49WW
Released
14.7 MB
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Firmware History
MMCN49WW
MMCN49WW: 1.Enhancement to address security vulnerability CVE-2025-3770. 2.Enhancement to address security vulnerability CVE-2025-31648. 3.Enhancement to address security vulnerability LEN-199440, LEN-205458. 4.Enhancement to address security vulnerability CVE-2025-32008, CVE-2025-20080, CVE-2025-27708. 5.Update crisis recovery file name: MMCN.bin 6.Change Absolute Persistence 1.0 warning message. 7.Fix common issue: system can't enter OS after flash BIOS with self-healing disabled. 8.Fix common issue: Check and delete duplicate variables to prevent system hang while POST --------------------------------------------------------------------------------
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MMCN48WW: 1. Fix the issue: The unit will start twice after change the settings in vantage -> Periphery I/O control(Like: wireless,USB Port...) -> enter S4/S5/rebbot -> Wake up. 2. Update SRSETUP LENOVO_COMMON_BLD_ID to MMCN48WW. 3. Enhancement to address security vulnerability CVE-2025-3052. 4. Fix issue: Secure Boot will change to disable and Secure Boot Mode change to Setup Mode after execute Reset System to Factory Defaults. --------------------------------------------------------------------------------
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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.