Microsoft has recently released its latest Patch Tuesday update, which addresses several zero-day and security vulnerabilities in Secure Boot. Secure Boot is a security feature that ensures that only trusted software can run on a device during the boot process. This feature is essential in preventing malware and other malicious software from infecting a device.
The vulnerabilities addressed in this update could have allowed attackers to bypass Secure Boot and install malicious software on a device. This could have potentially led to data theft, system compromise, and other security issues.
One of the zero-day vulnerabilities addressed in this update is known as CVE-2021-40444. This vulnerability is a remote code execution vulnerability that affects Microsoft Office. Attackers could exploit this vulnerability by tricking users into opening a specially crafted Office document, which would then allow them to execute arbitrary code on the victim’s device.
Another vulnerability addressed in this update is CVE-2021-36963. This vulnerability is a privilege escalation vulnerability that affects Windows 10 and Windows 11. Attackers could exploit this vulnerability to gain elevated privileges on a device, which would allow them to perform actions that are normally restricted to system administrators.
Microsoft has also addressed several other vulnerabilities in this update, including CVE-2021-36968, CVE-2021-36958, and CVE-2021-36965. These vulnerabilities could have allowed attackers to bypass security features, execute arbitrary code, or cause denial-of-service attacks.
To protect against these vulnerabilities, Microsoft recommends that users install the latest security updates as soon as possible. Users should also be cautious when opening email attachments or downloading files from untrusted sources.
In addition to addressing these vulnerabilities, Microsoft has also made several improvements to Secure Boot in this update. These improvements include enhanced error reporting and improved compatibility with third-party drivers.
Overall, the latest Patch Tuesday update from Microsoft is an important step in improving the security of Windows devices. By addressing these vulnerabilities and improving Secure Boot, Microsoft is helping to protect users from the growing threat of cyber attacks. Users should make sure to install the latest updates and take other security precautions to stay safe online.
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- Source: Plato Data Intelligence: PlatoData