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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
12

6.6 Medium

CVSS2

Attack Vector

LOCAL

Attack 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

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.5%

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

Original advisories

CVE-2019-1161

Related products

Windows-Defender

CVE list

CVE-2019-1161 high

KB list

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)

Impacts

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

  • Microsoft System Center 2012 Endpoint ProtectionWindows DefenderMicrosoft Forefront Endpoint Protection 2010Microsoft Security EssentialsMicrosoft System Center Endpoint ProtectionMicrosoft System Center 2012 R2 Endpoint Protection

6.6 Medium

CVSS2

Attack Vector

LOCAL

Attack 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

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.5%