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mscveMicrosoftMS:CVE-2018-8151
HistoryMay 08, 2018 - 7:00 a.m.

Microsoft Exchange Memory Corruption Vulnerability

2018-05-0807:00:00
Microsoft
msrc.microsoft.com
17

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS

0.011

Percentile

84.6%

An information disclosure vulnerability exists when Microsoft Exchange improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the remote system.

To exploit the vulnerability, an attacker would send a specially-crafted email to an affected Exchange Server.

The security update addresses the vulnerability by modifying how Microsoft Exchange handles objects in memory.

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS

0.011

Percentile

84.6%