Unreleased Call of Duty: Vanguard map randomly appears in matches

An odd CoD: Vanguard glitch has made a previously unreleased map appear in multiplayer matches for some players.

I played the Call of Duty: Vanguard beta and couldn't see anything

7 changes I want to see for Call of Duty Modern Warfare 3

Call of Duty®: Vanguard Beta Guide – Tips for Maps, Modes, Weapons, and More [[WEEK TWO UPDATE]] — Call of Duty®: Vanguard — Notizie Blizzard

Warzone 2 guide for Al Mazrah, DMZ and more

Call of Duty: Vanguard's Secrets of the Pacific event suspended due to crashes

Call of Duty Warzone 2: Release date, loadouts, gameplay changes and new map - Mirror Online

Announcement: Call of Duty: Modern Warfare III and Call of Duty: Warzone Season 1. All You Need to Know

Let's get tactical -- Dive into the details in Call of Duty: Modern Warfare II & Warzone 2.0's breakdowns for Dome and Ashika Island — GAMINGTREND

Legends Never Die in Last Stand, the Final Season for Vanguard, Live on August 24 : r/CODVanguard

Alcatraz in Call of Duty® Mobile – Overview and Tips for the New Battle Royale Map

Glitches, Call of Duty Wiki