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kasperskyKaspersky LabKLA12525
HistoryMay 10, 2022 - 12:00 a.m.

KLA12525 Multiple vulnerabilities in Microsoft Office

2022-05-1000:00:00
Kaspersky Lab
threats.kaspersky.com
58

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.07 Low

EPSS

Percentile

93.8%

Detect date:

05/10/2022

Severity:

High

Description:

Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, bypass security restrictions, obtain sensitive information, gain privileges.

Affected products:

Microsoft Publisher 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2016 (64-bit edition)
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Word 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Publisher 2013 Service Pack 1 (64-bit editions)
Microsoft Publisher 2016 (32-bit edition)
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft SharePoint Server 2019
Microsoft Word 2013 Service Pack 1 (64-bit editions)
Microsoft SharePoint Enterprise Server 2016
Microsoft Office Online Server
Microsoft Word 2016 (32-bit edition)
Microsoft Office LTSC for Mac 2021
Microsoft SharePoint Server Subscription Edition
Microsoft Word 2016 (64-bit edition)
Microsoft Excel 2016 (32-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Word 2013 Service Pack 1 (32-bit editions)
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Publisher 2016 (64-bit edition)

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-2022-29109
CVE-2022-29108
CVE-2022-29107
CVE-2022-29110
CVE-2022-26934

Impacts:

ACE

Related products:

Microsoft Office

CVE-IDS:

CVE-2022-269346.5High
CVE-2022-291097.8Critical
CVE-2022-291088.8Critical
CVE-2022-291075.5High
CVE-2022-291107.8Critical

Microsoft official advisories:

KB list:

4493152
5002195
5002204
5002194
5002196
5002205
5002199
5002207
4484347
5002203
5002187
5002184

References

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.07 Low

EPSS

Percentile

93.8%