Meltdown security patches issued by Microsoft exposed to severe attacks

A security researcher discovered that some of the Windows updates released by Microsoft to mitigate the Meltdown flaw introduce a severe bug.

Meltdown and Spectre security updates made the headlines again, according to the security researcher Ulf Frisk some of them issued for Windows introduce a severe flaw.

The Meltdown and Spectre security updates released by Microsoft in January and February for Windows 7 and Windows Server 2008 R2 patch Meltdown are affected by a vulnerability that could be exploited by attackers to easily read from and write to memory.

Source: Security Affairs