VirtualBox v4.3.26 is released. VirtualBox is a general-purpose full virtualizer for x86/x64 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software.

VirtualBox v4.3.26 Changelog:
VirtualBox 4.3.26 is a maintenance release. The following items were fixed and/or added since VirtualBox 4.3.24:
GUI: in the snapshots pane, protect the age of snapshots against wrong host time (bug #13955)
NAT Network: fixed a bug which prevented to propagate any DNS name server / domain / search string information to the NAT network (4.3.24 regression; bugs #13915, #13918)
NAT Network: don't delay the shutdown of VBoxSVC on Windows hosts
Mouse support: the mouse could not be moved under rare conditions if no Guest Additions are installed (4.3.24 regression; bug #13935)
Storage: if the guest ejects a virtual CD/DVD medium, make the change permanent (bugs #9858, #12885)
VGA: made saving secondary screen sizes possible in X11 guests
SDK: fixed the VirtualBox.tlb file (4.3.20 regression; bug #13943)
rdesktop-vrdp: make it work with USB devices again (4.3.14 regression; bug #13901)
USB: fixed a possible BSOD on Windows hosts under rare conditions
iPXE: enable the HTTP download protocol on non-Linux hosts (bug #13628)
Mac OS X hosts: don't panic on hosts with activated SMAP (Broadwell and later; bug #13951)
Linux hosts: don't crash Linux 4.0 hosts (bug #13835)

Download: VirtualBox v4.3.26
Source: Here