Microsoft Exchange Server
CVE-2018-8159 — Microsoft Exchange Elevation of Privilege Vulnerability
Important
2018-05 archive
Executive Summary
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. 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. The security update addresses the vulnerability by correcting how Microsoft Exchange validates web requests.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
EPSS Score
No EPSS score available for this CVE.
View on FIRST.orgAffected Products
4 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Exchange Server 2013 Cumulative Update 19 | 4092041 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft Exchange Server 2013 Cumulative Update 20 | 4092041 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft Exchange Server 2016 Cumulative Update 8 | 4092041 (Security Update) |
Important | Elevation of Privilege | Maybe |
| Microsoft Exchange Server 2016 Cumulative Update 9 | 4092041 (Security Update) |
Important | Elevation of Privilege | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
4092041 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Adrian Ivascu
References
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