High severity · published Sep 13, 2017
CVE-2017-8631
A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1,…
7.8
CVSS
17%
EPSS
No
On KEV
Description
A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Web Apps 2013, Microsoft Office Compatibility Pack Service Pack 3, Microsoft Excel Web App 2013 Service Pack 1, Microsoft Excel Viewer 2007 Service Pack 3, and Office Online Server when they fail to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8630, CVE-2017-8632, and CVE-2017-8744.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)17.0% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
Excel · Microsoft
2007; 2010; 2013; 2013; 2016 · source: NVD
EV
Excel Viewer · Microsoft
2007 · source: NVD
EW
Excel Web App · Microsoft
2013 · source: NVD
OC
Office Compatibility Pack · Microsoft
All versions, or not specified · source: NVD
OO
Office Online Server · Microsoft
All versions, or not specified · source: NVD
OW
Office Web Apps · Microsoft
2013 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8631
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8631
Third Party Advisory
http://www.securityfocus.com/bid/100751
Third Party Advisory
http://www.securitytracker.com/id/1039315
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8631
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