Using such unofficial patches exposes systems to known exploits (e.g., CVE-2018-4993, a dangerous PDF execution flaw fixed only in later Acrobat DC versions) that Adobe will never patch for Acrobat XI.
The 11.0.23 (and subsequent minor hotfixes in that range) served as the "ultimate" version of Acrobat XI. Its primary roles were: adobe acrobat xi pro 11027 patch hot
Features like Bates numbering , high-quality OCR , and direct PowerPoint export were already fully matured in this version. Security Warning Acrobat XI Pro won't update or stay open - Adobe Community Using such unofficial patches exposes systems to known