US-CERT (from United States Computer Emergency Readiness Team) has issued warnings about certain vulnerabilities affecting the Windows and Windows Server operating systems.
The organization he says that "a remote intruder could exploit these vulnerabilities to take control of a system."
The vulnerabilities reported by US-CERT were reportedly already patched by Microsoft in 2018, and the company is giving more information in the reports CVE-2018-8611 and CVE-2018-8626 .
Let's look at what Microsoft says:
CVE-2018-8611 affects all supported client and server versions Windows 10 and Windows Server 2019.
"There is an elevation of privilege when the Windows kernel does not properly handle "objects" in memory. An attacker who can exploit the vulnerability could execute arbitrary code in kernel mode. The attacker could then install programs. to change, view and even delete data, or even create new accounts with administrator rights,” explains Microsoft.
In the case of CVE-2018-8626, Microsoft reports that there is a DNS server heap vulnerability Overflow of Windows that only exists in Windows 10, Windows Server 2012 R2, Windows Server 2016, and Windows Server 2019.
There is a vulnerability that allows remote code execution on DNS (Windows Domain Name System) servers when requests cannot be handled properly. An attacker who can exploit the vulnerability could execute arbitrary code within the Local System Account. "Windows servers configured as DNS servers are vulnerable to this vulnerability," says Microsoft.
Updates for both vulnerabilities can be installed immediately from Windows Update on all supported versions of Windows.
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