New Issues Found with Windows Print Spooler

Last month, cybersecurity experts inadvertently unveiled a PoC exploit for a dangerous problem related to the Windows Print Spooler service, which is a universal interface between OS, applications and local or network printers, allowing application developers to submit print jobs. As a result, an emergency patch was released for the vulnerability, which was criticized by… Continue reading New Issues Found with Windows Print Spooler

Microsoft patches 117 vulnerabilities, including 9 zero-day vulnerabilities

As part of July Patch Tuesday, Microsoft fixed (released patches) for 117 vulnerabilities, of which 13 were classified as critical. That is, the July set of patches is twice as large as the May and June “Patch Tuesday” combined. This time, bugs were fixed in products such as Microsoft Office, SharePoint, Excel, Microsoft Exchange Server,… Continue reading Microsoft patches 117 vulnerabilities, including 9 zero-day vulnerabilities

Microsoft declares that Printnightmare patch works correctly

Previously, many IS researchers warned that Microsoft’s emergency patch for a dangerous Printnightmare vulnerability was ineffective and that it did not eliminate the problem completely. Let me remind you that the experts found that even after installing the correction, vulnerability can still be operated locally to obtain System privileges. Worse, the developer Mimikatz Benjamin Delp… Continue reading Microsoft declares that Printnightmare patch works correctly

Microsoft releases unscheduled patch for PrintNightmare vulnerability

Microsoft has prepared an emergency patch for a critical PrintNightmare bug that was recently discovered in Windows Print Spooler (spoolsv.exe). The PrintNightmare issue caused much confusion, as Microsoft initially combined two vulnerabilities under one identifier (CVE-2021-1675). But the official patch released in June only fixed part of the problem, leaving a critical RCE bug unpatched.… Continue reading Microsoft releases unscheduled patch for PrintNightmare vulnerability

Exploit for dangerous PrintNightmare problem in Windows has been published online

A PoC exploit for the dangerous PrintNightmare vulnerability in Windows Print Spooler (spoolsv.exe) has been published online. This bug has ID CVE-2021-1675 and was patched by Microsoft just a couple of weeks ago, as part of June’s Patch Tuesday. Windows Print Spooler Service is a universal interface between OS, applications, and local or network printers,… Continue reading Exploit for dangerous PrintNightmare problem in Windows has been published online

Microsoft warns of mining attacks on Kubernetes clusters

Microsoft has warned of ongoing attacks on Kubernetes clusters running Kubeflow (an open source project that allows running super powerful machine learning computing on top of Kubernetes clusters). Criminals use them to deploy malicious containers that mine Monero and Ethereum cryptocurrencies. Researchers say the attacks appear to be a continuation of a campaign that was… Continue reading Microsoft warns of mining attacks on Kubernetes clusters

Six 0-day vulnerabilities fixed in Windows, including a commercial exploit issue

As part of June Patch Tuesday, 50 vulnerabilities in Microsoft products were fixed, including six 0-day vulnerabilities in Windows. Vulnerabilities that have been patched were found in Microsoft Office, .NET Core and Visual Studio, Edge browser, Windows Cryptographic Services, SharePoint, Outlook and Excel. Six zero-day vulnerabilities that were already under attack were also addressed, with… Continue reading Six 0-day vulnerabilities fixed in Windows, including a commercial exploit issue

GitHub will remove exploits for vulnerabilities under attack

Last week the GitHub management announced that they are making changes to the anti-malware rules and will remove exploits that are under attack. Let me remind you that the revision of the rules is a direct consequence of the scandal that erupted in March 2021. That time, Microsoft, which owns GitHub, reported a series of… Continue reading GitHub will remove exploits for vulnerabilities under attack

Microsoft fixes a bug that corrupted FLAC files

Microsoft has fixed a bug in Windows 10 that changed the name, artist, or other metadata in FLAC files, therefore corrupting them. The bug affected several editions of Windows 10 (Home, Pro, Enterprise, Education, Pro Education and Pro for Workstations), as well as several versions (2004 and 20H2). The problem could arise when editing the… Continue reading Microsoft fixes a bug that corrupted FLAC files

Microsoft developed a SimuLand lab environment for simulating cyberattacks

Microsoft has developed an open source SimuLand lab environment to help testing and improving Microsoft 365, Defender, Azure, and Azure Sentinel protection against a variety of cyberattack scenarios. SimuLand enables “resources from a variety of data sources, including telemetry from Microsoft 365 Defender security products, Azure Defender, and other integrated sources through Azure Sentinel Data… Continue reading Microsoft developed a SimuLand lab environment for simulating cyberattacks