Microsoft late yesterday issued its second advisory of the last week, warning users that a 17-year-old bug in the kernel of all 32-bit versions of Windows could be used by hackers to hijack PCs.

[…]

The VDM subsystem was added to Windows with the July 1993 release of Windows NT, Microsoft's first fully 32-bit operating system. VDM allows Windows NT and later to run DOS and 16-bit Windows software.

via Microsoft confirms 17-year-old Windows bug.

Yesterday, as in the day before January 21.

Apologies for all the old news – I’m clearing out some archives/”to-blog” sections of different places, and when that content is time-dependent, well, I’m sure you’ll get over it.