8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
6.1 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.009 Low
EPSS
Percentile
82.5%
This security update resolves a vulnerability in Microsoft Exchange Outlook Web Access (OWA). The vulnerability could allow elevation of privilege or spoofing in Microsoft Exchange Server if an attacker sends an email message that has a specially crafted attachment to a vulnerable server that is running Exchange Server. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11932 and ADV170023.
This security update was released to address a known issue in security update 4036108 in which customers that are using split DNS may encounter problems that affect Calendar Sharing. This update removes the fix for this vulnerability.
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
For deployment information about this update, see security update deployment information: December 12, 2017.
__
File hash information
Package name | Package hash SHA 1 | Package hash SHA 2 |
---|---|---|
E16CU7 Exchange2016-KB4045655-x64-en.msp | AD7A5B178CDEEAE80A233073FDF5F09651A767D3 | 125BE0BE5AE4965C2A1F3F782047A322CAD58CEF69849C79E714D982C7DDDE7D |
E16CU6 Exchange2016-KB4045655-x64-en.msp | 5792593D9700FB5B2C02D79008D9C88569061A0F | 3EBA47CE4053AE04D0D410FB5A800871324A91160246BBE9891068C696DEB963 |
E15CU18 Exchange2013-KB4045655-x64-en.msp | 48ADA3FA1409A829E2D01EEF84921F466E576659 | 941F2ABACC936D258C95581A1185A80BF79A7E036D0FAA8778E77CACE6272520 |
E15CU17 Exchange2013-KB4045655-x64-en.msp | 30BAFADCC699281B7FB63240150987222683F44A | 304098CD045AE20C3E7A772B79B226D693077476B155A739B4F16FBBF3567C8D |
File information
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
6.1 Medium
AI Score
Confidence
High
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.009 Low
EPSS
Percentile
82.5%