Did Microsoft Botch the PrintNightmare Patch?

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The issue has been a public embarrassment for Microsoft over the last two weeks as security researchers used social media to highlight major problems with Redmond’s mitigation guidance and the effectiveness of its out-of-band update.

“We’re aware of claims and are investigating, but at this time we are not aware of any bypasses,” Microsoft said in a short statement sent to SecurityWeek. “We have seen claims of bypass where an administrator has changed default registry settings to an unsecure configuration. See CVE-2021-34527 guidance for more information on settings required to secure your system,” it added.

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