Medium severity · published Nov 14, 2018
CVE-2018-8558
An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center, aka…
6.5
CVSS
5.6%
EPSS
No
On KEV
Description
An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8579.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.6% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Microsoft
2019 · source: NVD
O3
Office 365 Proplus · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8558
Third Party Advisory
http://www.securityfocus.com/bid/105826
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8558
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