According to a recent Adobe alert, an important update has been issued for Adobe Illustrator CS5 15.0.1 and earlier versions running on Windows. Other operating systems do not require this update.
The update addresses a critical library-loading vulnerability (CVE-2010-3152) in Adobe Illustrator CS5 versions 15.0.1 and earlier. Attackers can exploit this vulnerability to convince users into opening a file located on a remote WebDAV or SMB share. Adobe has shared details on how users can update their Adobe Illustrator CS installation on its advisory page.