Security News
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Microsoft has released the Windows 11 KB5023706 and KB5023698 cumulative updates for versions 22H2 and 21H2 to fix security vulnerabilities and bugs in the operating system. KB5023706 and KB5023698 are mandatory Windows 11 cumulative updates containing the March 2023 Patch Tuesday security updates that fix 83 vulnerabilities in various Microsoft products.
Microsoft is working on a new XAML-based gallery view for Windows 11 File Explorer. This new Gallery option can be accessed via the right sidebar of File Explorer, letting you view your pictures in one place.
Microsoft has finally addressed a known issue causing significant performance hits when copying large files over SMB after installing the Windows 11 2022 update. The fix comes after Microsoft's Ned Pyle explained in October that "There is a performance reduction in 22H2 when copying larger files from a remote computer down to a Windows 11 computer or when copying files on a local drive."
Threat actors linked to the IceFire ransomware operation now actively target Linux systems worldwide with a new dedicated encryptor. IceFire operators exploit a deserialization vulnerability in the IBM Aspera Faspex file-sharing software to hack into targets' vulnerable systems and deploy their ransomware payloads.
Microsoft says the latest Windows 11 build rolling out to Insiders in the Canary channel will enable Local Security Authority protection by default. LSA protection is crucial for safeguarding against the theft of sensitive information or login credentials by blocking untrusted code injection into the LSA process and blocking process memory dumping.
Researchers have discovered malware that "Can hijack a computer's boot process even when Secure Boot and other advanced protections are enabled and running on fully updated versions of Windows." Dubbed BlackLotus, the malware is what's known as a UEFI bootkit.
Nvidia has released a display driver hotfix to address recently reported high CPU usage and blue screen issues on Windows 10 and Windows 11 systems. As the company explains, the GeForce Hotfix Driver Version 531.26 fixes higher CPU usage from NVIDIA Container that could be observed after exiting games and random bug checks on some laptop models.
Nvidia confirmed today that it's working to fix a driver issue causing high CPU usage and blue screens of death on Windows systems. The buggy driver is the GeForce Game Ready 531.18 WHQL driver released on February 28th that introduced support for RTX Video Super Resolution.
A new phishing campaign targets organizations in Eastern European countries with the Remcos RAT malware with aid from an old Windows User Account Control bypass discovered over two years ago. The use of mock trusted directories to bypass Windows User Account Control stands out in the attack as it's been known since 2020 but remains effective today.