CVE-2018-8374

Microsoft Exchange Server Tampering Vulnerability

CVE-2018-8374 is fixed in 2 products on 1 platform, first by KB4340731, released August 14, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Moderate
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0327
88th percentile

<p>A tampering vulnerability exists when Microsoft Exchange Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data.</p> <p>To exploit the vulnerability, an attacker would need to be authenticated on an affected Exchange Server. The attacker would then need to send a specially modified request to the server, targeting a specific user.</p> <p>The security update addresses the vulnerability by modifying how Microsoft Exchange Server handles profile data.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Microsoft Exchange Server 2016 Cumulative Update 10 KB4340731 Aug 14, 2018
Microsoft Exchange Server 2016 Cumulative Update 9 KB4340731 Aug 14, 2018