W^X

noun

A security policy that implements executable space protection by ensuring every memory page is either writable or executable, but not both.

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Meanings

nounW^X (uncountable)
  1. uncountablecomputer securityA security policy that implements executable space protection by ensuring every memory page is either writable or executable, but not both.

Origin

Introduced in 2003. From "write xor execute", using the ^ operator that means xor in some programming languages etc.

Full word history & related roots →
Cite this entry
APA

W^X. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/W%5EX

MLA

“W^X.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/W%5EX. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “W^X,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/W%5EX.

Source: W^X on Wiktionary, CC BY-SA 4.0.