No. Father Feeny was excommunicated by the Catholic Church for teaching that "outside the Church, no salvation" meant outside the visible Church.
God does not punish pagans [sic] unjustly. He does not punish them for not believing in a Jesus they never heard of, through no fault of their own (invincible ignorance). ... There are no innocent pagans, and there are no innocent Christians either. All have sinned against God and against conscience. All need a Savior. Christ is the Savior.
Kreeft continues by correcting the extremes of both Christian fundamentalism and Christian liberalism by invoking a Catholic via media:
Fundamentalists, faithful to the clear one-way teaching of Christ, often conclude from this [i.e., the teaching that Jesus is the unique Lord and Savior] that pagans, Buddhists, et cetera, cannot be saved. Liberals, who emphasize God's mercy, cannot bring themselves to believe that the mass of men [sic] are doomed to hell, and they ignore, deny, nuance, or water down Christ's own claims to uniqueness. The Church has found a third way, implied in the New Testament texts. On the one hand, no one can be saved except through Christ. On the other hand, Christ is not only the incarnate Jewish man but also the preexistent word of God "which enlightens every man who comes into the world" (Jn 1:9). So Socrates was able to know Christ as word of God, as eternal Truth; and if the fundamental option of his deepest heart was to reach out to him as Truth, in faith and hope and love, however imperfectly known this Christ was to Socrates, Socrates could have been saved by Christ too. We are not saved by knowledge but by faith. Scripture nowhere says how explicit the intellectual content of faith has to be. But it does clearly say who the one Savior is.
The Second Vatican Council took a position on comparative religions that distinguished Catholicism from both Modernist relativism and Fundamentalist exclusivism. It taught that on the one hand there is much deep wisdom and value in other religions and that the Christian should respect them and learn from them. But, on the other hand, the claims of Christ and his Church can never be lessened, compromised, or relativized. We may add to our religious education by studying other religions but never subtract from it.
Read it all.