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kasperskyKaspersky LabKLA11974
HistoryOct 13, 2020 - 12:00 a.m.

KLA11974 ACE vulnerabilities in Microsoft Apps

2020-10-1300:00:00
Kaspersky Lab
threats.kaspersky.com
13

9.3 High

CVSS2

Attack Vector

NETWORK

Attack 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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

0.011 Low

EPSS

Percentile

84.6%

ACE vulnerabilities were found in Microsoft Apps. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

CVE-2020-17003

CVE-2020-16918

Related products

Yammer-Desktop-App

CVE list

CVE-2020-17003 critical

CVE-2020-16918 critical

KB list

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)

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Affected Products

  • Microsoft 365 Apps for Enterprise for 32-bit SystemsMicrosoft 365 Apps for Enterprise for 64-bit Systems3D Viewer

9.3 High

CVSS2

Attack Vector

NETWORK

Attack 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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.2 High

AI Score

Confidence

High

0.011 Low

EPSS

Percentile

84.6%