Microsoft is advising users and administrators to prepare for a July Patch Tuesday release, which will include six critical security fixes.
'Critical' is the most severe of its security levels and is often designated for high-priority deployments. The critical fixes will affect all supported versions of Windows, ranging from XP to Windows 8 and Windows RT, as well as supported versions of Windows Server.
All the critical flaws will address remote code execution vulnerabilities while a seventh patch, rated as 'important', will fix an elevation of privilege flaw in the Microsoft Security software package.
Often targeted by attackers to perform drive-by malware download attacks, remote code execution flaws allow an attacker to crash an application and launch malware payloads often without any sort of notification or interaction from the user. Such flaws are widely regarded as the most dangerous for end users and are often singled out as top priorities for deployments.
Among the six critical fixes Microsoft is planning for July are updates to remote code execution flaws in the .Net Framework and Silverlight. Other platforms that will receive critical fixes include Office, Internet Explorer, Lync Visual Studio and the Windows platform itself.
While Microsoft did not give specific details about the vulnerabilities themselves, the company noted that the critical Internet Explorer flaw was considered a lower risk for Windows Server systems, while at least one of the critical Windows vulnerabilities was not applicable to ARM-based Windows RT tablet systems.
The company is planning to release the patches on 9 July, with updates usually arriving in the late afternoon to early evening UK time.
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