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mscveMicrosoftMS:CVE-2020-1138
HistoryMay 12, 2020 - 7:00 a.m.

Windows Storage Service Elevation of Privilege Vulnerability

2020-05-1207:00:00
Microsoft
msrc.microsoft.com
12

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

9.5%

An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system.

To exploit the vulnerability, an attacker would first have to gain execution on the victim system, then run a specially crafted application.

The security update addresses the vulnerability by correcting how the Storage Services handles file operations.

Affected configurations

Vulners
Node
microsoftwindows_10_1903_for_x64-based_systemsRange<2020-May
OR
microsoftwindows_10_1909_for_arm64-based_systemsRange<2020-May
OR
microsoftwindows_10_1909_for_x64-based_systemsRange<2020-May
OR
microsoftwindows_server\,_version_1909Range<2020-May
OR
microsoftwindows_10_1909_for_32-bit_systemsRange<2020-May
OR
microsoftwindows_10_1803_for_32-bit_systemsRange<2020-May
OR
microsoftwindows_10_1803_for_x64-based_systemsRange<2020-May
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-May
OR
microsoftwindows_server_2016Range<2020-May
OR
microsoftwindows_10_1709_for_32-bit_systemsRange<2020-May
OR
microsoftwindows_10_1903_for_arm64-based_systemsRange<2020-May
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-May
OR
microsoftwindows_server_2019Range<2020-May
OR
microsoftwindows_10_1903_for_32-bit_systemsRange<2020-May
OR
microsoftwindows_10_1809_for_32-bit_systemsRange<2020-May
OR
microsoftwindows_server\,_1803_\(server_core_installation\)Range<2020-May
OR
microsoftwindows_10_1809_for_arm64-based_systemsRange<2020-May
OR
microsoftwindows_10_1709_for_x64-based_systemsRange<2020-May
OR
microsoftwindows_10_1709_for_arm64-based_systemsRange<2020-May
OR
microsoftwindows_10_1803_for_arm64-based_systemsRange<2020-May
OR
microsoftwindows_server\,_version_1903Range<2020-May
OR
microsoftwindows_10_1809_for_x64-based_systemsRange<2020-May

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

9.5%