windows security updatewindows security update

Microsoft yesterday quietly released out-of-band software
updates to patch two high-risk security vulnerabilities affecting
hundreds of millions of Windows 10 and Server editions’ users.

To be noted, Microsoft rushed to deliver patches almost two
weeks before the upcoming monthly ‘Patch Tuesday Updates’ scheduled
for 14th July.

That’s likely because both flaws reside in the Windows Codecs
Library
, an easy attack vector to social engineer victims into
running malicious media files downloaded from the Internet.

For those unaware, Codecs is a collection of support libraries
that help the Windows operating system to play, compress and
decompress various audio and video file extensions.

The two newly disclosed security vulnerabilities, assigned CVE-2020-1425[1]
and CVE-2020-1457[2], are both remote code
execution bugs that could allow an attacker to execute arbitrary
code and control the compromised Windows computer.

According to Microsoft, both remote code execution
vulnerabilities reside in the way Microsoft Windows codec library
handles objects in memory.

However, exploiting both flaws requires an attacker to trick a
user running an affected Windows system into clicking on a
specially crafted image file designed to be opened with any app
that uses the built-in Windows Codec Library.

Out of both, CVE-2020-1425 is more critical because the
successful exploitation could allow an attacker even to harvest
data to compromise the affected user’s system further.

The second vulnerability, tracked as CVE-2020-1457, has been
rated as important and could allow an attacker to execute arbitrary
code on an affected Windows system.

However, none of the security vulnerabilities has been reported
as being publicly known or actively exploited in the wild by
hackers at the time Microsoft released emergency patches.

According to advisories, both vulnerabilities were reported to
Microsoft by Abdul-Aziz Hariri of Trend Micro’s Zero Day Initiative
and affect the following operating systems:

  • Windows 10 version 1709
  • Windows 10 version 1803
  • Windows 10 version 1809
  • Windows 10 version 1903
  • Windows 10 version 1909
  • Windows 10 version 2004
  • Windows Server 2019
  • Windows Server version 1803
  • Windows Server version 1903
  • Windows Server version 1909
  • Windows Server version 2004

Since Microsoft is not aware of any workaround or mitigating factor
for these vulnerabilities, Windows users are strongly recommended
to deploy new patches before attackers start exploiting the issues
and compromise their systems.

However, the company is rolling out the out-of-band security
updates through the Microsoft Store, so the affected users will be
automatically updated without requiring any further action.

Alternatively, if you want don’t want to wait for a few more
hours or a day, you can immediately install patches by checking for
new updates through the Microsoft Store.

References

  1. ^
    CVE-2020-1425
    (portal.msrc.microsoft.com)
  2. ^
    CVE-2020-1457
    (portal.msrc.microsoft.com)

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