Index / Techniques / Pre-OS Boot
Technique Record · T1542

Pre-OS Boot

Publicly-reported instances of Pre-OS Boot bypassing endpoint security products. Maintained on the same basis for every technique in the Index.

9
recorded bypasses
6
products affected

Products recorded as bypassed by Pre-OS Boot

ProductEntriesHigh-confidenceMost recent
Microsoft 442025-08-24
AMI 112023-05-29
Google 112024-10-11
Insyde 112025-06-23
Qualcomm 112026-04-07
Unisoc 112026-04-23

All entries

ProductConfidenceDisclosedSource
Unisoc high 2026-04-23github.com record →
Qualcomm high 2026-04-07github.com record →
Microsoft high 2025-08-24github.com record →
Insyde high 2025-06-23tekkix.com record →
Google high 2024-10-11github.com record →
Microsoft high 2024-07-17github.com record →
Microsoft high 2024-04-09www.cve.news record →
Microsoft high 2024-02-01blog.compass-security.com record →
AMI high 2023-05-29github.com record →

Counts reflect distinct publicly-reported events on record; absence of an entry means no confirmed public report is on file.