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kasperskyKaspersky LabKLA11891
HistoryJun 13, 2018 - 12:00 a.m.

KLA11891 Microsoft Advisory for Microsoft Products (ESU)

2018-06-1300:00:00
Kaspersky Lab
threats.kaspersky.com
26

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.2%

Microsoft released an advisory and security updates related to a newly-discovered class of hardware vulnerabilities (known as Spectre and Meltdown). An additional vulnerability involving side channel speculative execution has been announced and assigned CVE-2018-3665.

An attacker locally could cause information stored in FP (Floating Point), MMX, and SSE register state to be disclosed across security boundaries on Intel Core family CPUs through speculative execution. An attacker must be able to execute code locally on a system in order to exploit this vulnerability, similar to the other speculative execution vulnerabilities.

Original advisories

ADV180016

Related products

Microsoft-Windows

Microsoft-Windows-Server

Microsoft-Windows-Server-2012

Microsoft-Windows-8

Microsoft-Windows-7

Microsoft-Windows-Server-2008

Microsoft-Windows-10

CVE list

KB list

4338818

4338823

4345459

4338821

4343899

4343900

4341832

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)

Affected Products

  • Windows 10Windows 8Windows 7Windows Server 2008Windows Server 2012

4.7 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

5.6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.2%