Cyber Risks · Cisco Talos

Threat Source newsletter (Sept. 16, 2021)

Summary: Cisco Talos reported tracking a series of trojans targeting the aviation industry, lured in through spam about flight itineraries and transportation news. Microsoft's September security update disclosed 86 vulnerabilities, headlined by a patch for the actively exploited MSHTML remote code execution flaw CVE-2021-40444, with proof-of-concept code now public.

What you should know: CVE-2021-40444 was already being exploited in the wild before a patch existed, and the release of proof-of-concept code widens the pool of attackers who can use it. Apple separately patched a zero-click flaw used to install Pegasus spyware, which researchers said could have left up to 1.65 billion Apple devices exposed since March.

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Topics
Vulnerabilities & Patching
Mentions
CVE-2021-26435CVE-2021-36965CVE-2021-40444
Related
CVE-2021-40444: Microsoft MSHTML Remote Code Execution Vulnerability Known Exploited Vulnerabilities · Nov 03, 2021