Security companies are warning enterprises to prepare for a busy patching schedule, after Microsoft announced a whopping 34 fixes will be issued in next week's Patch Tuesday update.
The 10 security bulletins address flaws in Windows, Internet Explorer and Office, three of which have Microsoft's highest ranking of 'critical'.
Alan Bentley, vice president at Lumension urged IT administrators to plan ahead and prioritise the patch load as soon as possible.
"It might be summertime but there's no sunshine expected from Microsoft next Tuesday," he said.
"The impact will be felt enterprise-wide, with bulletins covering a large portion of Microsoft's range of operating systems and Windows and Office products."
Wolfgang Kandek, chief technology officer at Qualys, agreed that the large update will keep system administrators busy, adding that June is the final chance for companies to move away from Windows XP SP2 as support ceases next month.
"We see a large number of machines in enterprise networks still running under Windows XP SP2," he said.
"We are still over a year away from having all machines migrated, threatening to leave many exposed to exploits for the vulnerabilities that we expect in the second half of 2010."
Microsoft will end support for Windows XP SP2 and Windows 2000 on 13 July.
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