CVE-2021-30178

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...

CVE-2021-30178

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...

Who Contains the Containers?

Posted by James Forshaw, Project Zero This is a short blog post about a research project I conducted on Windows Server Containers that resulted in four privilege escalations which Microsoft fixed in March 2021. In the post, I describe what led to this research, my research process, and insights...

The vulnerability of the Hyper-V component of the Windows operating system, allowing a hacker to execute arbitrary code

The vulnerability of the Hyper-V component of the Windows operating system is related to insecure management of privileges. Exploiting this vulnerability could allow an attacker to execute arbitrary code...

CVE-2021-26867

Windows Hyper-V Remote Code Execution Vulnerability...

CVE-2021-26867

Windows Hyper-V Remote Code Execution Vulnerability...

Remote code execution

Windows Hyper-V Remote Code Execution Vulnerability...

CVE-2021-26867 Windows Hyper-V Remote Code Execution Vulnerability

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CVE-2021-26867

CVE-2021-26867 is a Windows Hyper-V remote code execution vulnerability. Public sources indicate the issue affects Hyper-V components under Windows Server/Windows client environments and is described with high/critical impact. The NCSC dossier explicitly notes that exploitation is possible for Hy...

Microsoft Issues Security Patches for 89 Flaws — IE 0-Day Under Active Attacks

Microsoft plugged as many as 89 security flaws as part of its monthly Patch Tuesday updates released today, including fixes for an actively exploited zero-day in Internet Explorer that could permit an attacker to run arbitrary code on target machines. Of these flaws, 14 are listed as Critical, an...

Microsoft Windows Containers Privilege Escalation Vulnerability

The standard user ContainerUser in a Windows Container has elevated privileges and High integrity level which results in making it administrator equivalent even though it should be a restricted user. Windows Containers: ContainerUser has Elevated Privileges Windows Containers: ContainerUser has...

Patch Tuesday - March 2021

Another Patch Tuesday 2021-Mar is upon us and with this month comes a whopping 122 CVEs. As usual Windows tops the list of the most patched product. However, this month it’s browser vulnerabilities taking the second place, outnumbering Office vulnerabilities 3:1! Lastly, the Exchange Server...

March 2021 Patch Tuesday – 82 Vulnerabilities, 10 Critical, Adobe

This month’s Microsoft Patch Tuesday addresses 82 vulnerabilities, of which 10 are rated with Critical severity. This follows an out-of-band security update on March 2 to address critical vulnerabilities in Microsoft Exchange. Adobe released patches today for its FrameMaker, Creative Cloud Deskto...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Windows Hyper-V Remote Code Execution Vulnerability

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Vulnerabilities fixed in Microsoft Windows

Microsoft fixes multiple vulnerabilities in Windows. A malicious party could potentially exploit the vulnerabilities to: Cause a denial-of-service, Bypass security measures, Execute arbitrary code, Obtain elevated privileges, Access sensitive data. The vulnerabilities marked CVE-2021-26867 CVSS...

PT-2021-2341 · Microsoft · Windows Hyper-V +1

Name of the Vulnerable Software and Affected Versions: Windows Hyper-V affected versions not specified Description: The issue is related to insecure privilege management in the Hyper-V component of the Windows operating system. It allows remote attackers to execute arbitrary code and affect the...

Windows Hyper-V 安全漏洞

Microsoft Hyper-V is an application from Microsoft Corporation USA. A system hypervisor virtualization technology that enables desktop virtualization. A security vulnerability exists in Windows Hyper-V. The following products and editions are affected: Windows 10 Version 1909 for x64-based...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...