Microsoft Exchange Server
CVE-2018-0941 — Microsoft Exchange Information Disclosure Vulnerability
Executive Summary
An information disclosure vulnerability exists in the way that Microsoft Exchange Server handles importing data. If an impacted user is using Microsoft Exchange Outlook Web Access (OWA), the vulnerability could allow an attacker to discover sensitive information that should otherwise not be disclosed. To exploit the vulnerability, an attacker would have to upload a specially crafted file to Microsoft Exchange Outlook Web Access (OWA). The security update addresses the vulnerability by correcting how Microsoft Exchange handles importing data.
Overview
Important
MS Severity
Not Exploited
MS Exploit Status
Exploitation Unlikely
MS Exploit Likelihood
EPSS Score
0.12688
probability of exploitation in the next 30 days
0.95903 percentile - updated 2026-08-14
View on FIRST.org
Affected Products
2 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Exchange Server 2016 Cumulative Update 7 | 4073392 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft Exchange Server 2016 Cumulative Update 8 | 4073392 (Security Update) |
Important | Information Disclosure | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
4073392 |
Security Update | Maybe |
Exploits & PoC
No public exploit or PoC has been linked for this CVE yet. When available, references are sourced from public repositories and may be unverified or non-functional — review carefully before use.
Detection Rules
No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.
Acknowledgments
References
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