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kasperskyKaspersky LabKLA12550
HistoryMay 30, 2022 - 12:00 a.m.

KLA12550 RCE vulnerability in Microsoft Products (ESU)

2022-05-3000:00:00
Kaspersky Lab
threats.kaspersky.com
84

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

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

0.97 High

EPSS

Percentile

99.7%

Detect date:

05/30/2022

Severity:

High

Description:

A remote code execution vulnerability was found in Microsoft Products (Extended Security Update). Malicious users can exploit this vulnerability to execute arbitrary code.

Exploitation:

Public exploits exist for this vulnerability.

Affected products:

Windows Server 2008 for 32-bit Systems Service Pack 2
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows 7 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Microsoft Windows Support Diagnostic Tool (MSDT)

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-2022-30190

Impacts:

ACE

Related products:

Microsoft Windows

CVE-IDS:

CVE-2022-301907.8Critical

Microsoft official advisories:

KB list:

5014742
5014748
5014747
5014738
5014741
5014746

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.6 High

AI Score

Confidence

High

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

0.97 High

EPSS

Percentile

99.7%