Critical Microsoft vulnerabilities decreased 47% in 2021

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Overall vulnerabilities throughout all Microsoft products reduced 5 percent in 2021, according to the yearly BeyondTrust Microsoft Vulnerabilities 2022 report. While some products such as Internet Explorer and Microsoft Edge saw a surge in the total number of vulnerabilities, the most affordable ever number of Microsoft vulnerabilities were considered crucial.
This pattern likewise was true for Windows, Windows Server, Microsoft Office, Azure Cloud and Dynamics365, Microsofts ERP solution.
To create the Microsoft Vulnerabilities report, the authors examined every Microsoft security bulletin from the previous year to supply a barometer of the hazard landscape for the Microsoft community.
SEE: Windows, Linux and Mac commands everybody needs to understand (complimentary PDF) (TechRepublic).
The number of vulnerabilities throughout other classifications, such as memory corruption, overflow and cross-site scripting, dropped considerably across all Microsoft items in between 2020 to 2021.
For the second year in a row, elevation of opportunity outpaced remote code execution as the security category with the most vulnerabilities recorded.
” As we go into the information this year, we can see the continuing down pattern in crucial vulnerabilities,” said James Maude, lead cyber security researcher at BeyondTrust, an opportunity management and cloud security supplier. “Put simply, this investment has actually made it considerably harder for an assaulter to jump from an internet browser vulnerability to total control of the system in one move.”.
Vulnerabilities across Microsoft items.
Web Explorer and Edge vulnerabilities.
In 2021, there were a record-breaking 349 Internet Explorer and Edge vulnerabilities, nearly four times the number in 2020 though only six were thought about crucial.
This abrupt boost was because of the consolidation of the browser market (with Edge having adopted Googles Chrome internet browser technology), fewer browser plugins such as Adobe Flash to attack, and improved transparency in vulnerability reporting by Google, the report stated.
Windows vulnerabilities.
In 2020 there were 507 vulnerabilities throughout Windows 7, Windows RT, Windows 8/8.1 and Windows 10 running systems. Sixty of the Windows 10 operating system vulnerabilities were considered vital. Overall, Windows vulnerabilities dropped 40% compared to 2020 and 50% over the previous five years.

Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-28480 and CVE-2021-28481).
Windows DNS Server Remote Code Execution Vulnerability (CVE-2021-34473, CVE-2021-26894, CVE-2021-26895 and CVE-2021-26897).
Microsoft Defender for IoT Remote Code Execution Vulnerability (CVE-2021-42311 and CVE-2021-4231).

Must-read Windows protection.

Only 104 critical vulnerabilities were reported in 2021, an all-time low for the worlds biggest software company.

” Microsofts more aggressive stance on upgrading Windows is likewise translating into a reduction in the amount of time systems are exposed to the risk of vulnerabilities,” the report stated. “This two-punch combo of less vulnerabilities and faster patching comes as welcome progress after the unrelenting pressures of 2020.”.
Microsoft Office vulnerabilities.
Of the 66 Office vulnerabilities reported, only one was considered crucial. While this is great news, Office applications are still vulnerable to older exploits, such as the Equation Editor bug, despite the fact that spots have been offered for several years.
” Many malware toolkits consist of various Office exploits aggregated from the past 10 years, with the goal of discovering an unpatched system,” the report said.” “These techniques and toolkits have shown extremely effective for many hazard actors.”.
Windows Server vulnerabilities.
Windows Server vulnerabilities have dropped to their most affordable levels given that 2018, the report stated. Year over year, the variety of Windows Server vulnerabilities reduced by 41%, while important vulnerabilities come by 50% compared to 2020.
” It has taken Microsoft several generations of Windows Server to get to a version naturally more protected,” the report stated. “The newest releases of Windows Server have less vulnerabilities than ever in the past, in spite of being some of the largest code bases for any os.”.
Azure and Dynamics 365 vulnerabilities.
Of the 30 vulnerabilities in Azure, only 5 were thought about crucial. Characteristics 365 had six critical vulnerabilities in 2020.
The report called out three vulnerabilities as especially problematic:.


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