-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 National Cyber Alert System Technical Cyber Security Alert TA06-220A Microsoft Windows, Office, and Internet Explorer Vulnerabilities Original release date: August 08, 2006 Last revised: -- Source: US-CERT Systems Affected * Microsoft Windows * Microsoft Office (Windows and Mac) * Microsoft Internet Explorer Overview Microsoft has released updates that address critical vulnerabilities in Microsoft Windows, Office, and Internet Explorer. Exploitation of these vulnerabilities could allow a remote, unauthenticated attacker to execute arbitrary code or cause a denial of service on a vulnerable system. Note that one of the updates released today addresses a critical vulnerability in the Microsoft Server Service (MS06-040). We have received reports that this vulnerability is actively being exploited. The most recent version of this document can be found at: I. Description Microsoft Security Bulletin Summary for August 2006 addresses vulnerabilities in Microsoft products including Windows, Office, and Internet Explorer. One of the updates released today addresses a critical vulnerability in the Microsoft Server Service (MS06-040). More details are available in Vulnerability Note VU#650769. Note that we have received reports that VU#650769 is actively being exploited. II. Impact A remote, unauthenticated attacker could execute arbitrary code on a vulnerable system. An attacker may also be able to cause a denial of service. III. Solution Apply updates from Microsoft Microsoft has provided updates for these vulnerabilities in the Security Bulletins released on August 8, 2006. When prioritizing, it is strongly encouraged that the update for VU#650769 be applied first. Updates for Microsoft Windows and Microsoft Office XP and later are available on the Microsoft Update site. Microsoft Office 2000 updates are available on the Microsoft Office Update site. Apple Mac OS X users should obtain updates from the Mactopia web site. System administrators may wish to consider using Windows Server Update Services (WSUS). Appendix B. References * Microsoft Security Bulletin Summary for August 2006 - * US-CERT Vulnerability Note VU#650769 - * US-CERT Vulnerability Notes - * Microsoft Update - * Microsoft Office Update - * Mactopia - * Windows Server Update Services - ____________________________________________________________________ The most recent version of this document can be found at: ____________________________________________________________________ Feedback can be directed to US-CERT Technical Staff. Please send email to with "TA06-220A Feedback VU#650769" in the subject. ____________________________________________________________________ For instructions on subscribing to or unsubscribing from this mailing list, visit . ____________________________________________________________________ Produced 2006 by US-CERT, a government organization. Terms of use: ____________________________________________________________________ Revision History Aug 8, 2006: Initial release -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iQEVAwUBRNj76+xOF3G+ig+rAQK5wwf/Z1yrHq03IODWL747llDlE6qz4vyg9cYa DZdlRuc7q7kho0fw2lOFXJluuo6V65+n4cWo4ySS5dr+YJLXkr6g8XY/4tR/l/s4 +NJgXN8u8Gd9c3xNSLtpHaPC7ZaIPe092cIuuDV7xV4ktpi3FiAmJ2nAfCEvvaht djnVQ/OHI7Vh1eFHarcqP0p56FKeTph3qGzaP8nNQexArgyoO6wda6oBt+uuJe3k 3rFr6+JkJ+sqgm5v3pnNqboHXkXyywx8jLZK14KMl7pxIVyXMEgpUg4no5PlyQck Ny5N4bXzu4y7RvAS17BLrthFTa0PgBkalRJ8y68uxLvYK3ahKXFfiQ== =h9ZT -----END PGP SIGNATURE-----