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kasperskyKaspersky LabKLA12134
HistoryApr 01, 2021 - 12:00 a.m.

KLA12134 Multiple vulnerabilities in Microsoft Browser

2021-04-0100:00:00
Kaspersky Lab
threats.kaspersky.com
25

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

0.012 Low

EPSS

Percentile

84.9%

Detect date:

04/01/2021

Severity:

Warning

Description:

Multiple vulnerabilities were found in Microsoft Browser. Malicious users can exploit these vulnerabilities to execute arbitrary code, cause denial of service, obtain sensitive information.

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-2021-21199
CVE-2021-21198
CVE-2021-21197
CVE-2021-21194
CVE-2021-21196
CVE-2021-21195

Impacts:

ACE

Related products:

Microsoft Edge

CVE-IDS:

CVE-2021-211978.8Critical
CVE-2021-211958.8Critical
CVE-2021-211948.8Critical
CVE-2021-211998.8Critical
CVE-2021-211987.4High
CVE-2021-211968.8Critical

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

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

0.012 Low

EPSS

Percentile

84.9%