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Microsoft January 2019 Patch Tuesday, (Tue, Jan 8th)


This month we got patches for 49 vulnerabilities total. None of them have been used in the wild, and only one vulnerability has been made public before today.

Particularly interesting is the vulnerability in the DHCP client. This could likely be exploited via a malicious DHCP server, for example in a public WiFi network. Microsoft assigned this vulnerability a CVSS base score of 9.8.

We got a good number of vulnerabilities in the Jet Database Engine. Jet Database vulnerabilities are often exploitable via Office documents. But none of the vulnerabilities are labeled as critical. Only 8 vulnerabilities are labeled as "Critical" this month. The majority of them affects web browsers. But there are also two critical code execution vulnerabilities in HyperV.

See Renato's dashboard for a more detailed breakout:

Description CVE Disclosed Exploited Exploitability (old versions) current version Severity CVSS Base (AVG) CVSS Temporal (AVG) .NET Framework...(continued)
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