WhatsApp malware campaign delivers VBScript and MSI backdoors

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. Hunting queries 4. Indicators of compromise Microsoft Defender Experts observed a campaign beginning in late February 2026 that uses WhatsApp messages to deliver malicious Visual Basic Script VBS files. Once execute...

WhatsApp malware campaign delivers VBScript and MSI backdoors

In this article 1. Attack chain overview 2. Mitigation and protection guidance 3. Hunting queries 4. Indicators of compromise Microsoft Defender Experts observed a campaign beginning in late February 2026 that uses WhatsApp messages to deliver malicious Visual Basic Script VBS files. Once execute...

CVE-2026-33430

Briefcase (Python) vulnerability CVE-2026-33430 affects Windows MSI installers built with Briefcase before 0.3.26. When a project is installed for All Users, the installer directory inherits the parent’s permissions, potentially allowing a low-privilege user to replace/modify binaries and cause e...

CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

UBUNTU-CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

CVE-2026-23361 PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

CVE-2026-23361 PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

CVE-2026-23361

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

Description of the security update for Word 2016: March 10, 2026 (KB5002848)

None None...

Description of the security update for Word 2016: February 10, 2026 (KB5002839)

None None...

ROS-20260205-73-0023

A vulnerability in the genirq/msi component of the Linux kernel is related to the allocation of unlimited memory. Exploitation of the vulnerability could allow an attacker to gain access to sensitive data, compromise its integrity, and cause denial of service...

Important: Red Hat Security Advisory: spice-client-win security update

An update for spice-client-win is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability...

CVE-2026-23013

In the Linux kernel, the following vulnerability has been resolved: net: octeonepvf: fix freeirq devid mismatch in IRQ rollback octepvfrequestirqs requests MSI-X queue IRQs with devid set to ioqvector. If requestirq fails part-way, the rollback loop calls freeirq with devid set to 'oct', which do...

CVE-2026-23013

In the Linux kernel, the following vulnerability has been resolved: net: octeonepvf: fix freeirq devid mismatch in IRQ rollback octepvfrequestirqs requests MSI-X queue IRQs with devid set to ioqvector. If requestirq fails part-way, the rollback loop calls freeirq with devid set to 'oct', which do...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004893)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004893 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: Fix refcount leak in setupmsimsgaddress ofgetnextparent returns a node...

MSI-Exploit-k4

MSI-Explot-k4 Next-Gen Red Team Framework for MSI-Based Pr...

Description of the security update for Office 2016: January 13, 2026 (KB5002826)

None None...

CVE-2021-27965

The MsIo64.sys driver before 1.1.19.1016 in MSI Dragon Center before 2.0.98.0 has a buffer overflow that allows privilege escalation via a crafted 0x80102040, 0x80102044, 0x80102050, or 0x80102054 IOCTL request...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992946)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992946 advisory. In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Deallocate EPC memory on dwpcieepinit errors If dwpcieepinit fails to perform any actio...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992865)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992865 advisory. In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: Fix refcount leak in setupmsimsgaddress ofgetnextparent returns a node...