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kasperskyKaspersky LabKLA11199
HistoryFeb 13, 2018 - 12:00 a.m.

KLA11199 Multiple vulnerabilities in Microsoft Browsers

2018-02-1300:00:00
Kaspersky Lab
threats.kaspersky.com
638

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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

0.954 High

EPSS

Percentile

99.3%

Detect date:

02/13/2018

Severity:

Critical

Description:

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

Affected products:

Internet Explorer 10
Microsoft Edge (EdgeHTML-based)
ChakraCore
Internet Explorer 11
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-2018-0763
CVE-2018-0771
CVE-2018-0834
CVE-2018-0835
CVE-2018-0836
CVE-2018-0837
CVE-2018-0838
CVE-2018-0839
CVE-2018-0840
CVE-2018-0856
CVE-2018-0857
CVE-2018-0859
CVE-2018-0860
CVE-2018-0861
CVE-2018-0866
CVE-2018-0858

Impacts:

ACE

Related products:

Microsoft Internet Explorer

CVE-IDS:

CVE-2018-07632.6Warning
CVE-2018-07714.3Warning
CVE-2018-08349.3Critical
CVE-2018-08357.6Critical
CVE-2018-08367.6Critical
CVE-2018-08377.6Critical
CVE-2018-08387.6Critical
CVE-2018-08394.3Warning
CVE-2018-08409.3Critical
CVE-2018-08567.6Critical
CVE-2018-08577.6Critical
CVE-2018-08597.6Critical
CVE-2018-08607.6Critical
CVE-2018-08619.3Critical
CVE-2018-08669.3Critical
CVE-2018-08589.3Critical

Microsoft official advisories:

KB list:

4074591
4074590
4088776
4074598
4074594
4074593
4074596
4074592
4074588
4074736
4530684

Exploitation:

Public exploits exist for this vulnerability.

References

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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

0.954 High

EPSS

Percentile

99.3%