As part of its monthly patching cycle, Microsoft will release a bulletin with a "critical" fix for a note on its Web site Thursday. The vulnerability is a so-called zero-day flaw that's already being exploited for attacks., the company said in a
The other five security bulletins will deliver updates for Windows, some of which will be rated "critical," Microsoft said. Security companies are tracking several flaws in the operating system and in its Web browser.
Microsoft did not specify how many vulnerabilities in total its security updates will tackle, or say which components of Windows are being repaired. Additionally, the company appears to have no patch ready for, which is also already being used in attacks.
Last month, the software maker, six of which were deemed "critical," the company's most serious risk rating. Critical vulnerabilities typically can allow a worm to spread or allow a Windows system to be fully compromised with minor or no interaction from the person using it.
Also on Tuesday, Microsoft will release an updated version of its Windows Malicious Software Removal Tool. The program detects and removes common malicious code placed on computers.
The company gave no further information on the upcoming bulletins, other than stating that the fixes may require restarting the computer or server.