CVE-2017-8631
A remote code execution vulnerability exists in Excel Services, Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2,…
- 7.8HighCVSS base score
- 17.0%Exploitation in 30 daysEPSS · top 2.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By microsoft
- 4 months later
· 4 months later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 17.0% · top 2.9% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Microsoft Corporation · Microsoft Office
- affected 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
References
3
- 100751 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8631 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1039315 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2017-17580 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-8631)Record last updated .