The security firm Mandiant says Microsoft, Google, and Apple had most of the 55 zero-day issues that were exploited by hackers in 2022. The number is lower than 2021, but still higher than most years.
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The Outlook zero-day exploit was reportedly being used by a Russian-based hacking group to enter a number of European government and military organizations, but that exploit has now been fixed.
Thanks to an as yet undisclosed critical vulnerability in Chrome 96, confirmed to be actively being exploited in the wild, Google is rolling out an update to Chrome 96, which y'all should update to.
Microsoft has acknowledged that it is investigating a Windows zero-day vulnerability that is currently being exploited in the wild. The firm has provided a workaround that involves AcitveX controls.
Security researchers are reporting that Microsoft's fix for the PrintNightmare vulnerability that rolled out to most Windows versions is ineffective, and can let attackers completely bypass it.
Microsoft has revealed that on-premises Exchange servers are under attack from a state-sponsored group operating from China and utilizing 0-day exploits. Exchange Online is safe from the threat.
Google's Project Zero team has disclosed a zero-day vulnerability in Windows that enables elevated code execution that is currently being exploited. Microsoft is expected to patch the bug next month.