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(CNN) - Microsoft issued two Windows emergency updates on Monday to protect against "critical" and "important" vulnerabilities that affect Internet Explorer and Windows Defender, the antivirus software.
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The failure of Internet Explorer, which affects versions 9, 10 and 11, could allow attackers to obtain the same user rights as the current user and infect a computer. Although Microsoft replaced Internet Explorer with the Edge browser in Windows 10, the software is still preinstalled in all versions of Windows.
The Windows Defender error makes it possible for a remote attacker to take over an objective system and prevent legitimate users from using the software.
Users must install the security update for Internet Explorer manually because Microsoft will not release an updated scan file until the next security release in October 2020, but the update for Windows Defender will be installed automatically.
READ: Microsoft warns Windows 10 users to update immediately
Recently, there have been complaints from users about Windows updates that break and slow down computers, which could deter users from installing updates. However, Gartner analyst Peter Firstbrook told CNN Business that users should continue with the updates because a blue screen is much easier to clean than an attack.
"From a security perspective, it is much better to keep up and keep up to date with the latest updates," Firstbrook said.
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Although it may seem that incorrect updates are a common occurrence, Firstbrook said the attacks are actually more frequent. Incorrect updates generally receive more user reaction compared to attacks that occur when users do not install updates.
The latest security threats occur just over a month after the company warned Windows 10 users to update their operating systems due to two vulnerabilities potentially susceptible to malware.