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kasperskyKaspersky LabKLA11950
HistorySep 08, 2020 - 12:00 a.m.

KLA11950 Multiple vulnerabilities in Microsoft Office

2020-09-0800:00:00
Kaspersky Lab
threats.kaspersky.com
26

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.044 Low

EPSS

Percentile

92.3%

Detect date:

09/08/2020

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, spoof user interface, obtain sensitive information, gain privileges.

Affected products:

Microsoft Office 2019 for 64-bit editions
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Office 2010 Service Pack 2 (64-bit editions)
Microsoft Word 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Office 2016 for Mac
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft Office Web Apps 2013 Service Pack 1
Microsoft Office 2013 RT Service Pack 1
Microsoft Excel 2013 RT Service Pack 1
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft Word 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2019 for Mac
Microsoft Office Online Server
Microsoft Word 2013 RT Service Pack 1
Microsoft Word 2010 Service Pack 2 (64-bit editions)
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2010 Service Pack 2
Microsoft SharePoint Foundation 2013 Service Pack 1
OneDrive for Windows
Microsoft Excel 2010 Service Pack 2 (32-bit editions)
Microsoft Word 2016 (64-bit edition)
Microsoft Excel 2010 Service Pack 2 (64-bit editions)
Microsoft Office 2010 Service Pack 2 (32-bit editions)
Microsoft Business Productivity Servers 2010 Service Pack 2
Microsoft SharePoint Server 2019
Microsoft Word 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2016 (64-bit edition)
Microsoft Word 2016 (32-bit edition)
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office Web Apps 2010 Service Pack 2

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-2020-1452
CVE-2020-1345
CVE-2020-1224
CVE-2020-1227
CVE-2020-1200
CVE-2020-1595
CVE-2020-1205
CVE-2020-1453
CVE-2020-1575
CVE-2020-1576
CVE-2020-16851
CVE-2020-1193
CVE-2020-16852
CVE-2020-1514
CVE-2020-1594
CVE-2020-16855
CVE-2020-1198
CVE-2020-1482
CVE-2020-16853
CVE-2020-1210
CVE-2020-1338
CVE-2020-1440
CVE-2020-1218
CVE-2020-1335
CVE-2020-1332
CVE-2020-1460
CVE-2020-1523

Impacts:

ACE

Related products:

Microsoft Office

CVE-IDS:

CVE-2020-14528.6Critical
CVE-2020-13457.4High
CVE-2020-12245.5High
CVE-2020-12275.4High
CVE-2020-12008.6Critical
CVE-2020-15959.9Critical
CVE-2020-12054.6Warning
CVE-2020-14538.6Critical
CVE-2020-15755.4High
CVE-2020-15768.5Critical
CVE-2020-168517.1High
CVE-2020-11937.8Critical
CVE-2020-168527.1High
CVE-2020-15145.4High
CVE-2020-15947.8Critical
CVE-2020-168555.5High
CVE-2020-11987.4High
CVE-2020-14826.3High
CVE-2020-168537.1High
CVE-2020-12109.9Critical
CVE-2020-13387.8Critical
CVE-2020-14406.3High
CVE-2020-12187.8Critical
CVE-2020-13357.8Critical
CVE-2020-13327.8Critical
CVE-2020-14608.6Critical
CVE-2020-15238.9Critical

KB list:

4484533
4484503
4486660
4486667
4484515
4484530
4484512
4484506
4484469
4486665
4484504
4486661
4484522
4484526
4484510
4484518
4484528
4484480
3101523
4484513
4484517
4486664
4484525
4484514
4484505
4484516
4484507
4484488
4484466
4484532

Microsoft official advisories:

References

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.3 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.044 Low

EPSS

Percentile

92.3%