This months Patch Tuesday includes 13 patches with 3 of classified as "Critical". These 13 patches cover 48 various CVE's. We recommend that you test and immediately install MS15-043, MS15-044 and MS15-045 which are our three critical patches for the month. These three patches affect a wide variety of systems and fix a remote code execution vulnerability. Please note that for MS15-50, MS is not releasing and update and is recommending that affected users update their OS. Windows Server 2003 support is ending July 14, 2015 but already it's EOL is affecting users still using this OS. MS15-051 is classified as important but could allow an attacker to to install programs, modify data or create full privileged user accounts so we are recommending you test and patch. Of the 13 patches this month, this is the only one associated with a vulnerability that MS is aware of limited, targeted attacks. For the other 12, no active exploits have been reported by MS as of release time of this months bulletins.
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