Microsoft Exchange Elevation of Privilege Vulnerability
CVE-2018-8159 is fixed in 4 products on 1 platform, first by KB4092041, released May 8, 2018. It is not reported as exploited. Patch Radar priority: High.
<p>An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests. An attacker who successfully exploited this vulnerability could perform script/content injection attacks and attempt to trick the user into disclosing sensitive information.</p> <p>To exploit the vulnerability, an attacker could send a specially crafted email message containing a specific malicious script. The user would have to apply a highlight to the script for it to be activated.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange validates web requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft Exchange Server 2013 Cumulative Update 19 | KB4092041 | May 8, 2018 | |
| Microsoft Exchange Server 2013 Cumulative Update 20 | KB4092041 | May 8, 2018 | |
| Microsoft Exchange Server 2016 Cumulative Update 8 | KB4092041 | May 8, 2018 | |
| Microsoft Exchange Server 2016 Cumulative Update 9 | KB4092041 | May 8, 2018 | |