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kasperskyKaspersky LabKLA12309
HistoryOct 12, 2021 - 12:00 a.m.

KLA12309 Multiple vulnerabilities in Microsoft Products (ESU)

2021-10-1200:00:00
Kaspersky Lab
threats.kaspersky.com
26

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.512 Medium

EPSS

Percentile

97.5%

JSON

Detect date:

10/12/2021

Severity:

High

Description:

Multiple vulnerabilities were found in Microsoft Products (Extended Security Update). Malicious users can exploit these vulnerabilities to spoof user interface, bypass security restrictions, obtain sensitive information, gain privileges, execute arbitrary code, cause denial of service.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012
Windows Server 2012 R2 (Server Core installation)
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2021-36970
CVE-2021-40455
CVE-2021-38662
CVE-2021-41335
CVE-2021-40449
CVE-2021-38663
CVE-2021-41342
CVE-2021-26442
CVE-2021-41332
CVE-2021-40466
CVE-2021-41331
CVE-2021-40469
CVE-2021-41340
CVE-2021-40467
CVE-2021-36953
CVE-2021-40489
CVE-2021-40443
CVE-2021-40460
CVE-2021-40465
CVE-2021-41343
CVE-2021-40478
CVE-2021-26441
CVE-2021-40476
CVE-2021-40454
CVE-2021-41345
CVE-2021-40463
CVE-2021-40477
CVE-2021-40488

Impacts:

ACE

Related products:

Microsoft Windows

CVE-IDS:

CVE-2021-369708.8Critical
CVE-2021-404555.5High
CVE-2021-386625.5High
CVE-2021-413357.8Critical
CVE-2021-404497.8Critical
CVE-2021-386635.5High
CVE-2021-413426.8High
CVE-2021-264427.0High
CVE-2021-413326.5High
CVE-2021-404667.8Critical
CVE-2021-413317.8Critical
CVE-2021-404697.2High
CVE-2021-413407.8Critical
CVE-2021-404677.8Critical
CVE-2021-369537.5Critical
CVE-2021-404897.8Critical
CVE-2021-404437.8Critical
CVE-2021-404606.5High
CVE-2021-404657.8Critical
CVE-2021-413435.5High
CVE-2021-404777.8Critical
CVE-2021-413457.8Critical
CVE-2021-404887.8Critical
CVE-2021-404767.5Critical
CVE-2021-404637.7Critical
CVE-2021-404787.8Critical
CVE-2021-264417.8Critical
CVE-2021-404545.5High

KB list:

5006729
5006671
5006732
5006736
5006743
5006728
5006714
5006715
5006739

Microsoft official advisories:

References

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2021-10-12 00:00:00
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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.512 Medium

EPSS

Percentile

97.5%

JSON
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