Some info here but looks to be some really old stuff and likely is superseded.
https://video2.skills-academy.com/en-us/security-updates/securitybulletins/2011/ms11-025
https://video2.skills-academy.com/en-us/security-updates/securitybulletins/2011/ms11-049
simplest method is to install the latest cumulative updates for the operating systems in question.
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