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31–40 of 64 articles
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Bleeping Computer
North Korean threat actors known as the Lazarus Group exploited a flaw in the Windows AppLocker driver (appid.sys) as a zero-day to gain kernel-level access and turn off security tools, allowing them to bypass noisy BYOVD (Bring Your Own Vulnerable Driver) techniques. [...]
The Hacker News
Microsoft has released patches to address 73 security flaws spanning its software lineup as part of its Patch Tuesday updates for February 2024, including two zero-days that have come under active exploitation. Of the 73 vulnerabilities, 5 are rated Critical, 65 are rated Important, and three and rated Moderate in severity. This is in addition to 24 flaws that have been fixed
Bleeping Computer
Microsoft has patched a zero-day vulnerability in the Windows Common Log File System (CLFS), actively exploited by cybercriminals to escalate privileges and deploy Nokoyawa ransomware payloads. [...]
Bleeping Computer
Microsoft has patched another zero-day bug used by attackers to circumvent the Windows SmartScreen cloud-based anti-malware service and deploy Magniber ransomware payloads without raising any red flags. [...]
Bleeping Computer
Microsoft has fixed a security vulnerability used by threat actors to circumvent the Windows SmartScreen security feature and deliver payloads in Magniber ransomware attacks. [...]
The Hacker News
A Barcelona-based surveillanceware vendor named Variston IT is said to have surreptitiously planted spyware on targeted devices by exploiting several zero-day flaws in Google Chrome, Mozilla Firefox, and Windows, some of which date back to December 2018. "Their Heliconia framework exploits n-day vulnerabilities in Chrome, Firefox, and Microsoft Defender, and provides all the tools necessary to
The Hacker News
A Barcelona-based surveillanceware vendor named Variston IT is said to have surreptitiously planted spyware on targeted devices by exploiting several zero-day flaws in Google Chrome, Mozilla Firefox, and Windows, some of which date back to December 2018. "Their Heliconia framework exploits n-day vulnerabilities in Chrome, Firefox, and Microsoft Defender, and provides all the tools necessary to
Bleeping Computer
Windows has fixed a bug that prevented Mark of the Web flags from propagating to files within downloaded ISO files, dealing a massive blow to malware distributors and developers. [...]
Bleeping Computer
A new Windows zero-day allows threat actors to use malicious JavaScript files to bypass Mark-of-the-Web security warnings. Threat actors are already seen using the zero-day bug in ransomware attacks. [...]
The Hacker News
Details have emerged about a now-patched security flaw in Windows Common Log File System (CLFS) that could be exploited by an attacker to gain elevated permissions on compromised machines. Tracked as CVE-2022-37969 (CVSS score: 7.8), the issue was addressed by Microsoft as part of its Patch Tuesday updates for September 2022, while also noting that it was being actively exploited in the wild. "