Microsoft Releases Security Updates for Two Actively Exploited Zero-Day Vulnerabilities
In a recent move to protect its users, Microsoft has released security updates to address two zero-day vulnerabilities that have been actively exploited by cybercriminals. These vulnerabilities, known as zero-days, refer to software flaws that are unknown to the software vendor and can be exploited by hackers before a patch or fix is available.
The first vulnerability, tracked as CVE-2021-40444, affects the MSHTML component of Internet Explorer and Microsoft Office. This flaw allows attackers to execute arbitrary code remotely by tricking users into opening malicious Office documents or visiting specially crafted websites. Successful exploitation of this vulnerability could grant hackers full control over the affected system, enabling them to install malware, steal sensitive information, or carry out other malicious activities.
The second vulnerability, tracked as CVE-2021-36948, affects the Windows Common Log File System (CLFS) driver. This flaw allows attackers to escalate their privileges on a compromised system, potentially gaining administrative access. By exploiting this vulnerability, cybercriminals can bypass security measures and gain unauthorized control over the targeted system.
Both vulnerabilities have been actively exploited in the wild, making it crucial for users to update their systems as soon as possible. Microsoft has released security updates for affected versions of Windows, including Windows 10, Windows 11, and Windows Server. Users are strongly advised to install these updates promptly to mitigate the risk of falling victim to these exploits.
To ensure protection against these vulnerabilities, users should enable automatic updates on their devices. This will allow their systems to receive and install security patches as soon as they become available. Additionally, users should exercise caution when opening email attachments or clicking on links from unknown or suspicious sources. Cybercriminals often use social engineering techniques to trick users into downloading and executing malicious files.
Organizations should also prioritize the installation of these security updates on their networks. IT administrators should ensure that all affected systems are promptly updated to prevent potential breaches and protect sensitive data. Regular security awareness training for employees can also help educate them about the risks associated with opening suspicious files or visiting malicious websites.
Microsoft’s swift response in releasing security updates for actively exploited vulnerabilities highlights the importance of timely patching and the ongoing battle against cyber threats. However, it is crucial for users to remain vigilant and proactive in keeping their systems up to date with the latest security patches. By doing so, they can significantly reduce the risk of falling victim to cyberattacks and protect their digital assets.
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- Source: Plato Data Intelligence.
- Source Link: https://zephyrnet.com/microsoft-patches-a-pair-of-actively-exploited-zero-days/