Medium severity · published Jun 14, 2018
CVE-2018-8247
An elevation of privilege vulnerability exists when Office Web Apps Server 2013 and Office Online Server fail to properly handle web requests, aka "Microsoft Office Elevation of…
5.4
CVSS
3.5%
EPSS
No
On KEV
Description
An elevation of privilege vulnerability exists when Office Web Apps Server 2013 and Office Online Server fail to properly handle web requests, aka "Microsoft Office Elevation of Privilege Vulnerability." This affects Microsoft Office, Microsoft Office Online Server. This CVE ID is unique from CVE-2018-8245.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.5% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OO
Office Online Server · Microsoft
2016 · source: NVD
OW
Office Web Apps · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8247
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8247
Third Party Advisory
http://www.securityfocus.com/bid/104319
Third Party Advisory
http://www.securitytracker.com/id/1041104
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8247
More from Office Online Server
7.8
CVE-2017-11826
Microsoft Office Remote Code Execution Vulnerability
9.8
CVE-2023-21716
Microsoft Word Remote Code Execution Vulnerability
9.8
CVE-2019-1205
A remote code execution vulnerability exists in Microsoft Word software when it fails to properly handle objects in memory
8.8
CVE-2026-108446
Microsoft Office Excel Remote Code Execution Vulnerability
8.8
CVE-2026-100212
Microsoft Office Excel Remote Code Execution Vulnerability