In version 3 of the GNU General Public License (GPLv3), the term "the Program" means one particular work that is licensed under GPLv3 and is received by a particular licensee from an upstream licensor or distributor. The Program is the particular work of software that you received in a given instance of GPLv3 licensing, as you received it.

"The Program" cannot mean "all the works ever licensed under GPLv3"; that interpretation makes no sense, because "the Program" is singular: those many different programs do not constitute one program.

In particular, this applies to the clause in section 10, paragraph 3 of GPLv3 which states