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The US-CERT Current Activity web page is a regularly updated summary of the most frequent, high-impact types of security incidents currently being reported to the US-CERT.

Microsoft Releases Security Advisory 980088

Microsoft has released Security Advisory 980088 to alert users of a vulnerability in Microsoft Internet Explorer. The advisory indicates that exploitation of this vulnerability may allow an attacker to harvest user credentials and other sensitive information by enticing users to visit a maliciously crafted web page.

US-CERT encourages users and administrators to review Microsoft Security Advisory 980088 and apply the suggested workarounds of running Internet Explorer in Protected Mode and setting the Internet zone security setting to High to mitigate the risk of unwanted information disclosure.

Cisco Releases Security Advisory for Unified MeetingPlace

Cisco has released a security advisory to address multiple vulnerabilities in Unified MeetingPlace. These vulnerabilities may allow a remote, unauthenticated attacker to obtain sensitive information, manipulate configuration data, create unauthorized accounts, operate with elevated privileges or cause a denial-of-service condition.

US-CERT encourages users and administrators to review Cisco security advisory cisco-sa-20100127-mp and apply any necessary updates to help mitigate the risks.

Google Releases Chrome 4.0.249.78

Google has released Chrome 4.0.249.78 for Windows to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, obtain sensitive information, bypass security restrictions, or cause a denial-of-service condition.

US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and update to Chrome 4.0.249.78 for Windows to help mitigate the risks.

RealNetworks, Inc. Releases Updates to Address Vulnerabilities

RealNetworks, Inc. has released updates to address multiple vulnerabilities in several versions of RealPlayer for Windows, Mac, and Linux and several versions of the Helix Player for Linux. These vulnerabilities may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review the RealNetworks, Inc. advisory and apply any necessary updates to help mitigate the risks.

Microsoft Releases Cumulative Security Update for Internet Explorer

Microsoft has released Security Bulletin MS10-002 as a Cumulative Security Update for Internet Explorer. This update addresses multiple vulnerabilities that when exploited, may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review Microsoft Security Bulletin MS10-002 and apply any necessary updates to help mitigate the risks.

Apple Releases Security Update 2010-001

Apple has released Security Update 2010-001 to address multiple vulnerabilities in a number of applications. These vulnerabilities may allow an attacker to execute arbitrary code or cause a denial-of-service condition.

US-CERT encourages users and administrators to review Apple article HT4004 and apply any necessary updates to help mitigate the risks.

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