Emergency Windows Patch Addresses Problematic Intel 'Fix'.

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An emergency Windows update has been released by Microsoft that disables Intel's problematic microcode fix for Spectre Variant 2 that was known to lead to frequent reboots and stability issues.

Notwithstanding the availability of immediate solutions to Spectre and Meltdown, security experts have scored what they termed as mishandling of the whole affair.

An Intel spokesman wouldn't detail who the company had informed, but said that the company couldn't notify everyone (including U.S. officials) in time because Meltdown and Spectre had been revealed early.

The weekend release was Microsoft's response to an announcement seven days ago by Intel, which told customers of all stripes - from computer makers to end users - to stop deploying the firmware updates it had offered after disclosures of the Spectre and Meltdown flaws.

Intel's report of providing an early warning is a part of its damage control strategy and the company aimed to protect its customers by notifying them so that they could solve issues before the news became public.

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That "behavior described" Microsoft talks about is the reboot and potential data corruption issues.

Microsoft is working with Intel to deliver the update next month which would not only fix the vulnerability but also restore the performance of the system. Many different generations of Intel chips were suffering such problems, including its latest processors, codenamed Ivy Bridge, Sandy Bridge, Skylake, Kaby Lake, Broadwell and Haswell. Some users have reported data loss or even complete system corruption. This update covers Windows 7 (SP1), Windows 8.1, and all versions of Windows 10, for client and server. However, the patch was found to cause some slowdown with Intel processors. For the full list of devices, see Intel's microcode revision guidance.

Intel CEO Bryan Kraznich recently said the chipmaker is working on a new design for processors that would incorporate "silicon-based changes" to mitigate the threat posed by the Spectre and Meltdown vulnerabilities. In case you've been experienced unexpected reboots and other issues after downloading and applying the recent security updates, then you're one of the people who should install the new Windows update.

Microsoft only recommends Windows users make use of Intel's patch once the chipmakers has a fully-tested and stable patch for Spectre.

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