McAfee, Inc. - Threat Center

Global Threat Condition

The unpatched createTextRange vulnerability in Internet Explorer has been exploited on a limited scale since March 23. On March 30 more reliable exploit code was published. Microsoft expects to patch on 4/11 but will release a patch earlier if warranted.

Critical Threat Level Condition

Systems worldwide are targeted by a worm.

New malware that potentially can cause damage has been reported and has spread globally.

Severe Threat Level Condition

An unpatched or recently patched vulnerability can be exploited by a worm, and systems worldwide are at risk to be targeted a particular worm.  No worm activity has been identified.

A high incidence of new malware that potentially can cause damage has been reported.

Elevated Threat Level Condition

An unpatched or recently patched vulnerability is present on many systems worldwide but requires user interaction to be exploited.

An existing vulnerability becomes more serious because new exploit code has been published.

There is new malware activity, but it is not widespread.

Low Threat Level Condition

There is no direct threat to systems that have been patched.

No new significant malware activity has been reported.