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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.

Opera Software Releases Opera 10.53

Opera Software has released Opera 10.53 to address a vulnerability. Exploitation of this vulnerability may allow an attacker to execute arbitrary code.

US-CERT encourages users and administrators to review the Opera Software security advisory related to this vulnerability and upgrade to Opera 10.53 to help mitigate the risks.

Microsoft Releases Security Advisory 983438

Microsoft has released security advisory 983438 to notify users of a vulnerability in Microsoft Windows SharePoint Services 3.0 and Microsoft Office SharePoint Server 2007. The advisory states that Microsoft is investigating public reports of exploitation of the vulnerability that may allow the execution of arbitrary script within the SharePoint site.

US-CERT encourages users and administrators to review Microsoft Security Advisory 983438 and apply any workarounds to mitigate the risks.

US-CERT will provide additional information as it becomes available.

Google Releases Chrome 4.1.249.1064

Google has released Chrome 4.1.249.1064 for Windows to address multiple vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code or bypass the same origin policy in the browser.

US-CERT encourages users and administrators to review the Google Chrome Releases blog entry and update to Chrome 4.1.249.1064 for Windows to help mitigate the risks.

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