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kasperskyKaspersky LabKLA11537
HistoryAug 13, 2019 - 12:00 a.m.

KLA11537 Privilege escalation vulnerability in Microsoft Defender

2019-08-1300:00:00
Kaspersky Lab
threats.kaspersky.com
10

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

8.5%

Detect date:

08/13/2019

Severity:

High

Description:

An elevation of privilege vulnerability was found in Microsoft Defender. Malicious users can exploit this vulnerability via specially crafted command to gain privileges.

Affected products:

Microsoft System Center 2012 Endpoint Protection
Windows Defender
Microsoft Forefront Endpoint Protection 2010
Microsoft Security Essentials
Microsoft System Center Endpoint Protection
Microsoft System Center 2012 R2 Endpoint Protection

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-2019-1161

Impacts:

PE

Related products:

Windows Defender

CVE-IDS:

CVE-2019-11616.6High

Microsoft official advisories:

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

8.5%