Microsoft’s Patch Tuesday has arrived. Today, Microsoft has released their monthly set of security bulletins designed to address security vulnerabilities within their products. This month’s release contains 12 bulletins addressing 53 vulnerabilities. Four bulletins are rated critical and address vulnerabilities in Edge, Internet Explorer, Windows Journal, and Windows. The remaining eight bulletins are rated important and address vulnerabilities in .NET, IPsec, Kerberos, Lync/Skype for Business, NDIS, Office, SChannel, and Winsock.
Bulletins Rated Critical
Microsoft bulletins MS15-112 through MS15-115 are rated as critical in this month’s release.
MS15-112 and MS15-113 are this month’s Internet Explorer and Edge security bulletin respectively. In total, 25 vulnerabilities are addressed with four of them specifically affecting both IE and Edge. The remaining 21 vulnerabilities only affect Internet Explorer. The majority of the vulnerabilities that are resolved in this month’s release are memory corruption defects. In addition, an ASLR bypass, an information disclosure vulnerability, and a couple of scripting engine flaws are also addressed.