Microsoft prepares five critical Windows patches

Microsoft Corp. typically alternates between patching Windows and issuing application updates to help administrators reduce the number of machines they need to attend to each month.

However, this Tuesday, the company is releasing 16 security bulletins, the largest number of security advisories in about three years.

Microsoft (NADAQ: MSFT) is releasing five bulletins designated as critical for its Windows operating systems, nine categorized as important and two other bulletins designated as moderate.

Here are the five critical bulletins:

Bulletin 1 – Rated critical for all versions of Windows has remote code execution (RCE) potential. This type of vulnerability could allow an attacker to grab control of an affected machine. Dealing with it may require a system restart.

Bulletin 2 – Critical, with RCE potential, covers all versions of Internet Explorer and Windows. Requires restart

Bulletin 3 – Affects all Windows versions. Critical, RCE type, requires restart

Bulletin 4 – Critical, RCE type, affects all Windows versions and may require restart

Bulletin 5 – Rated critical on server operating systems but not on desktop systems. Affects all Windows versions and requires restart

There are two other “moderate” patches. One affecting Windows and Office and which could result in denial of service attacks against Windows.

The nine important bulletins address vulnerabilities in Windows, Windows Server, Exchange and .Net Framework. These vulnerabilities require user action in order to be executed.

Potential exploits include, elevation of privilege, RCE, security feature bypass and data disclosure.

Nestor E. Arellano
Nestor E. Arellano
Toronto-based journalist specializing in technology and business news. Blogs and tweets on the latest tech trends and gadgets.

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