Plex is urging all users to immediately update Plex Media Server to version 1.43.3 and Plex Desktop to version 1.115.0, both released earlier this year, to fix multiple unspecified security vulnerabilities. The company emailed affected customers directly and said CVE identifiers have been requested but not yet published, though the flaws are known to impact Media Server v1.43.2 and earlier.
bleepingcomputer.com
· 2026-09-03
Shadowserver has identified nearly 22,000 internet-exposed Microsoft Exchange servers that remain unpatched against CVE-2026-62911, a high-severity authentication bypass flaw affecting Exchange Server 2016, 2019, and Subscription Edition. Most vulnerable systems are located in the United States and Germany, where officials say roughly 85% of on-premises Exchange servers remain exposed despite Microsoft releasing a fix in August 2026.
bleepingcomputer.com
· 2026-09-01
A technical note explains how to move large files directly between two computers by connecting them with a standard Ethernet patch cable, manually assigning IPv6 addresses to each machine's interface, and piping data through tools like socat and dd. The author reports this setup can reach roughly 900 Mbits per second on ordinary hardware, translating to about 6.7 GB per minute, far outpacing USB drives or cloud uploads for nearby machines.
maurycyz.com
· 2026-08-31
A tester given preview access to GPT-5.6-Cyber challenged the AI agent to escape a QEMU/KVM virtual machine on a Debian Linux host. The model succeeded three separate times, first using recently disclosed kernel bugs, then unpatched vulnerabilities not yet flagged as security issues, and finally by discovering its own zero-day exploits after the system was rebuilt from the latest source code.
blog.trailofbits.com
· 2026-08-26
CISA has issued an emergency directive requiring federal agencies to fix a Zimbra vulnerability, tracked as CVE-2026-73570, within just three days. The flaw is severe enough that exploitation could give an attacker complete control over a victim's email and communications.
darkreading.com
· 2026-08-24
Microsoft has confirmed that the August 2026 .NET Framework cumulative update causes some WPF-based applications to throw a System.IO.FileFormatException when printing or exporting to PDF/XPS with fonts like Calibri. The bug affects current Windows 10 and 11 releases as well as Windows Server versions from 2012 through 2025, and Microsoft is still working on a permanent fix.
bleepingcomputer.com
· 2026-08-24