This out-of-band emergency update mitigates Certificate Authority manipulation by the Flame Malware attacks circulating primarily in middle eastern countries.
QUOTE: Microsoft just released an emergency bulletin, and an associated patch, notifying users of Windows that a “unauthorized digital certificates derived from a Microsoft Certificate Authority” was used to sign components of the “Flame” malware. The update revokes a total of 3 intermediate certificate authorities:
* Microsoft Enforced Licensing Intermediate PCA (2 certificates)
* Microsoft Enforced Licensing Registration Authority CA (SHA1)