Patch Tuesday – January 2026


Microsoft is publishing 114 vulnerabilities this January 2026 Patch Tuesday. Today’s menu includes just one vulnerability marked as exploited in the wild, as well as two vulnerabilities where Microsoft is aware of public disclosure. There are no critical remote code execution or elevation of privilege vulnerabilities.

So far this month, Microsoft has already provided patches to address one browser vulnerability and around a dozen vulnerabilities in open source products, which are not included in the Patch Tuesday count above.

Read more…
Source: Rapid7


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • A mysterious hacker group is eavesdropping on corporate email and FTP traffic

    March 28, 2020

    Since at least early December 2019, a mysterious hacker group has been taking over DrayTek enterprise routers to eavesdrop on FTP and email traffic inside corporate networks, Chinese security firm Qihoo 360 said today. In a report published on the blog of its network security division Netlab, Qihoo said its researchers detected two different threat actors, each exploiting ...

  • Hacking isn’t canceled: Chinese group attacked Citrix and Zoho during coronavirus lockdown

    March 25, 2020

    A prolific state-backed Chinese cyber espionage operation started 2020 with one of its largest hacking campaigns – even though the coronavirus lockdown in China appeared to have an impact on the group’s output. The global operation by hacking group APT 41 – widely believed to linked to the Chinese government – targeted businesses in telecoms, manufacturing, healthcare, defence, ...

  • Hackers breach FSB contractor and leak details about IoT hacking project

    March 20, 2020

    Russian hacker group Digital Revolution claims to have breached a contractor for the FSB — Russia’s national intelligence service — and discovered details about a project intended for hacking Internet of Things (IoT) devices. The group published this week 12 technical documents, diagrams, and code fragments for a project called “Fronton.” Read more… Source: ZDNet  

  • New Mirai Variant Targets Zyxel Network-Attached Storage Devices

    March 19, 2020

    As soon as the proof-of-concept (PoC) for CVE-2020-9054 was made publicly available last month, this vulnerability was promptly abused to infect vulnerable versions of Zyxel network-attached storage (NAS) devices with a new Mirai variant – Mukashi. Mukashi brute forces the logins using different combinations of default credentials, while informing its command and control (C2) server of the successful ...

  • Busting Ghostcat: An Analysis of the Apache Tomcat Vulnerability (CVE-2020-1938 and CNVD-2020-10487)

    March 11, 2020

    Discussions surrounding the Ghostcat vulnerability (CVE-2020-1938 and CNVD-2020-10487) found in Apache Tomcat puts it in the spotlight as researchers looked into its security impact, specifically its potential use for remote code execution (RCE). Apache Tomcat is a popular open-source Java servlet container, so the discovery of Ghostcat understandably set off some alarms. This blog entry seeks to put the ...

  • Wormable, Unpatched Microsoft Bug Threatens Corporate LANs

    March 11, 2020

    Microsoft is warning on a wormable, unpatched remote code-execution vulnerability in the Microsoft Server Message Block protocol – the same protocol that was targeted by the infamous WannaCry ransomware in 2017. The critical bug (CVE-2020-0796) affects Windows 10 and Windows Server 2019, and was not included in Microsoft’s Patch Tuesday release this week. The bug can be found in ...