"Acer is working to fix a firmware flaw affecting five of its laptop models [some versions of consumer Acer Aspire and Extensa notebooks.] An exploit could allow attackers to disable a machine's Secure Boot settings to bypass key security measures and load malware..." https://www.darkreading.com/threat-...re-flaw-attackers-bypass-key-security-feature
"...According to a blog post by Acer. impacted models include the Acer Aspire A315-22, A115-21, A315-22G, Extensa EX215-21, and EX215-21G. Acer said it is working on a BIOS update to resolve this issue that will be posted on its support site. But in the meantime, the hardware firm recommends updating your BIOS to the latest version to resolve this issue and said that this update will be included as a critical Windows update..." https://www.techradar.com/news/acer...g-that-hackers-can-use-to-disable-secure-boot
I know it's mentioned in the initial article but credit for this find goes to an ESET researcher; the team found a similar issue with Lenovo laptops recently.
