If you must download an offline installer from any source other than Adobe (e.g., a company repository, an old backup), here is how to verify integrity:
A patched installer is merely a snapshot in time. New zero-day exploits appear weekly. You need a patch management strategy (e.g., PDQ Deploy, SCCM, or Adobe’s built-in auto-update). The offline installer just gets you to a known good state. adobe acrobat reader offline installer patched
The exploit allows threat actors to "fingerprint" a system, steal local sensitive data, and potentially launch Remote Code Execution (RCE) or Sandbox Escape (SBX) attacks to gain full control of the device. If you must download an offline installer from
If your offline installer is not "patched" (up-to-date), you must download the latest update file from the Adobe Release Notes page. The offline installer just gets you to a known good state
Acrobat Reader is free. Acrobat Pro is not. Some “patched” versions are actually repackaged Pro versions with cracked license files.