From en.secnews.gr
Η Adobe a security update has been released to fix a vulnerability affecting Acrobat DC, Acrobat Reader DC, Acrobat 2020, Acrobat Reader 2020, Acrobat 2017 and Acrobat Reader 2017, so in Windows as well as in Mac.
The company said in a security bulletin that it has received reports of a new vulnerability it has utilize attacks (albeit limited) targeting Adobe Reader users on Windows.
Vulnerability has been named CVE-2021-28550, and according to Adobe, its successful exploitation could lead to arbitrary code execution.