Security News

Emergency Windows 10 updates fix Microsoft Store app issues
2022-05-20 15:21

Microsoft has released out-of-band updates on Thursday evening to address a newly acknowledged issue impacting Microsoft Store apps. This known issue affects devices running Windows 10 where users have installed the KB5011831 optional preview cumulative update or other updates released since April 25th. "After installing KB5011831 or later updates, you might receive an error code: 0xC002001B when attempting to install from the Microsoft Store," Microsoft explained on the Windows health dashboard.

Microsoft patches the patch that broke Windows authentication
2022-05-20 13:00

Microsoft has released an out-of-band patch to deal with an authentication issue that was introduced in the May 10 Windows update. Multiple administrators complained last week that after installing the May 10 patch, they experienced authentication failures across several systems.

Windows 11 hacked again at Pwn2Own, Telsa Model 3 also falls
2022-05-20 12:10

During the second day of the Pwn2Own Vancouver 2022 hacking competition, contestants hacked Microsoft's Windows 11 OS again and demoed zero-days in Tesla Model 3's infotainment system. A third elevation of privileges zero-day caused by an improper access control bug in Windows 11 was demoed on the second day by T0, with namnp failing to demonstrate a second Windows 11 privilege escalation zero-day within the time allotted.

Microsoft emergency updates fix Windows AD authentication issues
2022-05-19 21:41

Microsoft has released emergency out-of-band updates to address Active Directory authentication issues after installing Windows Updates issued during the May 2022 Patch Tuesday on domain controllers. "After installing updates released May 10, 2022 on your domain controllers, you might see authentication failures on the server or client for services such as Network Policy Server, Routing and Remote access Service, Radius, Extensible Authentication Protocol, and Protected Extensible Authentication Protocol," Microsoft explained.

Microsoft Teams, Windows 11 hacked on first day of Pwn2Own
2022-05-19 11:39

During the first day of Pwn2Own Vancouver 2022, contestants won $800,000 after successfully exploiting 16 zero-day bugs to hack multiple products, including Microsoft's Windows 11 operating system and the Teams communication platform. The first to fall was Microsoft Teams in the enterprise communications category after Hector Peralta exploited an improper configuration flaw.

Microsoft releases first ISO image for new Windows 11 Dev builds
2022-05-18 22:27

Microsoft has released the first ISO image for the new Windows 11 Preview builds in the Dev channel, allowing Windows Insiders to perform clean installs of the operating system. Last week, Microsoft again started offering different Windows 11 builds in the 'Dev' and 'Beta' channels, with the beta channel receiving Windows 11 build 22621 and the Dev channel receiving Windows 11 build 25115.

Pwn2Own hacking schedule released – Windows and Linux are top targets
2022-05-18 18:04

The rules of Pwn2Own are somewhat strange, given that some entrants may end up not actually competing at all. The Tesla hackers, plus the browser and virtualisation entrants, will all definitely get a turn, because they're the only competitors in their categories.

Monero-mining botnet targets Windows, Linux web servers
2022-05-18 07:27

The latest variant of the Sysrv botnet malware is menacing Windows and Linux systems with an expanded list of vulnerabilities to exploit, according to Microsoft. The strain, which Microsoft's Security Intelligence team calls Sysrv-K, scans the internet for web servers that have security holes, such as path traversal, remote file disclosure, and arbitrary file download bugs, that can be exploited to infect the machines.

Microsoft: Windows Server 20H2 reaches end of service in August
2022-05-17 20:22

Microsoft has reminded customers today that Windows Server, version 20H2, will be reaching the end of service on August 9, 2022. In a support document published today, Microsoft says that Windows Server 20H2 will reach the mainstream support end date for Datacenter Core and Standard Core users.

NVIDIA fixes ten vulnerabilities in Windows GPU display drivers
2022-05-17 19:12

NVIDIA has released a security update for a wide range of graphics card models, addressing four high-severity and six medium-severity vulnerabilities in its GPU drivers. The security update fixes vulnerabilities that can lead to denial of service, information disclosure, elevation of privileges, code execution, etc.