Security Industry Sources

A threat actor has been using an exploit chain combining three vulnerabilities in Ivanti’s Connect Secure (ICS) appliances to breach organizations, collect credentials, exfiltrate configuration data, and perform network reconnaissance. “In the first week of October 2026, Volexity discovered an unknown threat actor, UTA0576, abusing a zero-day exploit chain to compromise a fully patched (at the time, version 22.8R2.4) Ivanti Connect Secure (ICS) VPN appliance,” Volexity researchers shared on Tuesday. Ivanti says that exploitation affected … More → The post Attackers chained three Ivanti zero-days to gain root on fully patched VPN appliances appeared first on Help Net Security.

In another record-breaking Patch Tuesday, Microsoft has squashed over 1,400 security bugs, including a Mark of the Web bypass vulnerability (CVE-2026-96951) exploited by attackers in the wild. CVE-2026-96951 is a command injection vulnerability in Windows Shell that can be triggered by remote attackers via a file that is designed to exploit the vulnerability. Such a file can be sent to the user via email, instant message, or collaboration tools like Teams and Slack. Alternatively, users … More → The post Microsoft fixes exploited Mark of the Web bypass vulnerability (CVE-2026-96951) appeared first on Help Net Security.

A flaw in Linux's vhost subsystem lets a local user read and write kernel memory at will and become root across nearly a decade of kernel versions. In one virtualization setup, it lets an untrusted virtual machine write to the host's memory and hijack the program that runs the virtual machine. The bug is tracked as CVE-2026-74580 and named Vghost. Tencent Zhuque Lab, which found the

Critical-severity flaws could lead to authentication bypass, code execution, and sensitive authentication information leaks. The post Citrix, Fortinet, Ivanti Patch 29 Vulnerabilities Across Their Products appeared first on SecurityWeek.

The most important is CVE-2026-96951, a security feature bypass flaw in Windows that has been exploited in the wild. The post Microsoft Patches Record 1,413 Vulnerabilities, Including Exploited Windows Zero-Day appeared first on SecurityWeek.

Microsoft on Tuesday shattered its own Patch Tuesday record by shipping patches for a whopping 1,413 vulnerabilities, including one that it said has come under active exploitation. These include 1,102 flaws in Windows, 134 in Office, 61 in Developer Tools, 36 in SharePoint Server, and 22 in SQL Server. Of these, more than 670 relate to privilege escalation, followed by over 300 remote code

The scary surprises for the largest security update ever include security bypasses and unauthenticated RCEs.

A critical heap buffer overflow vulnerability (CVE-2026-39919) in the Ghostscript interpreter and rendering engine could allow remote code execution through specially crafted PDF files. [...]

Blog post covering the vulnerabilities disclosed during Microsoft Patch Tuesday.