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Microsoft pulls Mac security update

Company encourages consumers to uninstall the patch, which is still being tested.

A security update issued Tuesday for the Mac version of Microsoft Office was posted in error, the software maker said. The company encouraged consumers to uninstall the patch, which is still being tested.

"Due to human error, they were accidentally published to the public Web sites before our full testing release process was complete," a Microsoft security official said Wednesday on the company's Security Response Center blog. "As soon as we discovered the error, we moved quickly to address it and remove the pre-release binaries from our public sites."

Mike Reavey, a lead security program manager for Microsoft, also stressed in the blog posting that the updates were not related to the two Word flaws that have cropped up in recent days. One of the two flaws does affect the Mac version of Office. Microsoft said it is still investigating that flaw.

Microsoft did not give an estimate of when to expect the patches to be re-issued.

"Once our investigation into this issue is complete and we have security updates that meet our quality bar for release, we'll release those final security updates for all products affected along with a security bulletin," Reavey said in the blog. "We're also taking steps to ensure a mistake like this doesn't happen again."