For years, Microsoft has leaned heavily into extensive backward compatibility across multiple generations of Xbox hardware as a major selling point for its consoles. Today, that effort expands past the console ecosystem, making select original Xbox titles officially playable (and purchasable) on Windows PCs for the first time.

The appropriately and bluntly named "Xbox Backward Compatibility on PC" program kicks off today with compatibility for BLiNX: The Time Sweeper, Conker: Live and Reloaded, Crimson Skies: High Road to Revenge, and Fuzion Frenzy. PC players can download each title for $10, but those with Xbox Game Pass subscriptions or existing digital licenses for these games on console will have instant access without an additional purchase (no such luck if you simply stick an original Xbox disc in your PC drive, alas).

Playing these older Xbox titles on PC enables some bonus graphical features like Vsync support, anisotropic filtering, enhanced anti-aliasing, and up to 4x resolution scaling of the original SD signal (to 2560x1920). Games are limited to their original frame rates and aspect ratios, though, which means a 30 fps 4:3 image in most cases. Microsoft says this first batch of games should be playable with 11-year-old GTX 950 graphics hardware, but recommends a 2017-era GTX 1070 Ti with 8GB of VRAM for best performance.

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Right on the heels of Microsoft releasing a record number of security patches, a researcher has published exploit code that can enable low-privilege Windows accounts to make sensitive changes to administrator accounts.

The exploit, which multiple researchers say works, is sending Microsoft scrambling, yet again, to patch a zero-day released by an anonymous researcher who has complained about the software maker’s handling of their bug reports. To date, the pseudonymous NightmareEclypse has published nine such exploits, including Tuesday’s HiveLegacy. The researcher said the proof-of-concept code included in the report was stripped down to prevent attackers from using it maliciously.

A “pretty powerful primitive”

HiveLegacy is an elevation-of-privilege exploit that targets a vulnerability residing in the Windows User Profile Service. It allows users (and with more work likely processes) with limited system rights to compromise an admin user's account by modifying its classes registry hive, a resource that ensures the correct application opens when certain types of files are clicked on in Windows Explorer.

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