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kasperskyKaspersky LabKLA11954
HistorySep 08, 2020 - 12:00 a.m.

KLA11954 Multiple vulnerabilities in Microsoft Browsers

2020-09-0800:00:00
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

7.5 High

AI Score

Confidence

Low

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

0.031 Low

EPSS

Percentile

90.8%

Detect date:

09/08/2020

Severity:

Critical

Description:

Multiple vulnerabilities were found in Microsoft browsers. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges.

Affected products:

ChakraCore
Microsoft Edge (Chromium-based)
Internet Explorer 11
Microsoft Edge (EdgeHTML-based)
Internet Explorer 9

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-2020-1057
CVE-2020-1172
CVE-2020-16884
CVE-2020-1180
CVE-2020-1012
CVE-2020-1506
CVE-2020-0878

Impacts:

ACE

Related products:

Microsoft Internet Explorer

CVE-IDS:

CVE-2020-08784.2Warning
CVE-2020-10574.2Warning
CVE-2020-11724.2Warning
CVE-2020-168844.2Warning
CVE-2020-11804.2Warning
CVE-2020-10128.8Critical
CVE-2020-15066.1High

KB list:

4571756
4577041
4570333
4577032
4577049
4577015
4577051
4577066
4574727
4577038
4577010

Microsoft official advisories:

References

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

7.5 High

AI Score

Confidence

Low

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

0.031 Low

EPSS

Percentile

90.8%