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kasperskyKaspersky LabKLA12382
HistoryDec 14, 2021 - 12:00 a.m.

KLA12382 Multiple vulnerabilities in Microsoft Browser

2021-12-1400:00:00
Kaspersky Lab
threats.kaspersky.com
18

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

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.07 Low

EPSS

Percentile

93.8%

Detect date:

12/14/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code.

Affected products:

Microsoft Edge (Chromium-based)

Solution:

Install necessary updates from the Settings and more menu, that are listed in your About Microsoft Edge page (Microsoft Edge About page usually can be accessed from the Help and feedback option)
Microsoft Edge update settings

Original advisories:

CVE-2021-4100
CVE-2021-4101
CVE-2021-4099
CVE-2021-4102
CVE-2021-4098

Impacts:

ACE

Related products:

Microsoft Edge

CVE-IDS:

CVE-2021-41008.8Critical
CVE-2021-40987.4High
CVE-2021-41018.8Critical
CVE-2021-40998.8Critical
CVE-2021-41028.8Critical

Microsoft official advisories:

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

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.07 Low

EPSS

Percentile

93.8%