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The National Cybersecurity Institute (INCIBE) has warned about a new vulnerability that affects
computers with Windows 10 operating systems
.
A security problem that, in addition, would have its own ramification for those who use the
Microsoft Outlook email manager
.
Unfortunately,
security problems in Windows are quite common
.
In this case, Microsoft itself has been the one who has noticed the existence of two problems and has communicated it in its monthly update bulletin together with the solution to them.
The alert,
classified as "critical" with an importance of 5/5 by the INCIBE
(dependent on the Ministry of Economy) would affect the ICMPv6 protocol of
Windows
and the mail client of Microsoft.
These would be security problems that would allow an attacker to
execute some type of malicious code remotely without permission
.
That is, without the need for the person to access the computer equipment in question.
Given these problems, INCIBE recommends updating both the operating system and the email manager with the patches that
Windows has made available to users
.
The security flaw in Windows 10
The security flaw in Windows 10 is due to
"inadequate management of ICMPv6 packets
", explained in INCIBE on its website.
A problem that
could have serious consequences
since "a cybercriminal who manages to successfully exploit the vulnerability could run malicious software on the remotely attacked device," they add.
Likewise, from the Incibe they detail the
modus operandi
that
hackers
could use to take advantage of this security problem: "it would have to send malicious ICMPv6 packets specifically designed, and these can affect both the devices that act as servers, as well as those of the client" .
The Microsoft Outlook security flaw
In the case of Outlook, as explained by the INCIBE, the problem "is due to an incorrect handling of memory."
Hence, a cyber criminal could successfully exploit the security flaw to execute malicious code on the infected system.
In this case, the
consequences of the attack
could be disparate depending on the level of permissions with which the program has been executed.
"If it is with administrator permissions,
the attacker could compromise the entire system
, on the other hand if it is with limited privileges, the attack would have fewer adverse effects," they assure from Incibe.
Unlike the case of Windows 10, in this program it would be necessary for the recipient to execute "
a specially designed malicious file
, such as an attachment in the mail".
What versions of Windows have this problem?
According to the INCIBE, these are
the versions of Windows
that would be affected:
Windows 10 version 1709 for 32-bit, ARM64, x64 systems
Windows 10 version 1803 for 32-bit, ARM64, x64 systems
Windows 10 version 1809 for 32-bit, ARM64, x64 systems
Windows 10 version 1903 for 32-bit, ARM64, x64 systems
Windows 10 version 1909 for 32-bit, ARM64, x64 systems
Windows 10 version 2004 for 32-bit, ARM64, x64 systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server version 1903 (Server Core installation)
Windows Server version 1909 (Server Core installation)
Windows Server version 2004 (Server Core installation)
What versions of Outlook have this problem?
As published in INCIBE, these would be
the versions of Outlook
affected by this problem.
Microsoft 365 Apps Enterprise version for 32-bit and 64-bit systems
Microsoft Office 2016 for 32-bit and 64-bit systems
Microsoft Office 2019 for 32-bit and 64-bit systems
How to fix the security problem in Windows
In the event that you have a Windows 10 operating system,
Microsoft has already published a patch that allows you to correct this vulnerability
.
You can download the patch and update the program to a safe version by entering this link.
All you have to do is select your version of Windows and click on the download column that corresponds to your computer's opreative system.
How to fix security problem in Outlook
As with the problem in Windows, Microsoft has also released an update to address this problem in Outlook.
To do this, you must enter this link and follow the same
instructions
as in the previous section.
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