Out-of-band fix on Tuesday will address nine vulnerabilities, including a critical zero-day hole disclosed three weeks ago that affects Internet Explorer 6 and 7.
New vulnerability in Windows and Office could allow an attacker to take control of IE 6 and IE 7 systems, software maker says.
One workaround for hole that could be exploited by attackers taking control of Windows running IE is to avoid pressing the F1 key when prompted by a Web site.
Facebook is to launch a stripped-down version of the site that could potentially boost user numbers and generate extra dosh for mobile operators
Malicious Acrobat PDF is distributed via e-mail attachment that drops Trojan affecting Windows systems when the file is opened.
Cumulative Internet Explorer bulletin affects current Windows versions, including Windows 7.
Company warns customers that exploit code for the Server Message Block hole is available and suggests a workaround until a patch is ready.
One day after Patch Tuesday, researcher warns of unpatched security hole in Windows 7 and Server 2008.
Flaw is found in the Transport Layer Security and Secure Sockets Layer protocols, which have typically been used online retailers and banks to provide security for Web transactions.