Vulnerability in Microsoft Office
CVE-2017-8509
A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8510, CVE-2017-8511, CVE-2017-8512, CVE-2017-0260, and CVE-2017-8506.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.182 (97.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.182 · newest: 0.182 · change: 0.000
Affected products
- Microsoft Office — versions 2007, 2010, 2013
- Microsoft Office Compatibility Pack
- Microsoft Office Web Apps — versions 2010
- Microsoft Office Web Apps Server — versions 2013
- Microsoft Onenote — versions 2010
- Microsoft Sharepoint Server — versions 2010, 2013, 2016
- Microsoft Word — versions 2007, 2010, 2013
- Microsoft Word For Mac — versions 2016
- Microsoft Corporation Office — versions Microsoft Office 2007 Service Pack 3, Microsoft Office Compatibility Pack Service Pack 3, Microsoft Word 2007, Microsoft Office 2010 Service Pack 2, Microsoft Word 2010 Service Pack 2, Microsoft Office 2013 Service Pack 1, Microsoft Office 2016, Microsoft Office Web Apps 2010 Service Pack 2, Microsoft Office Web Apps Server 2013 Service Pack 1, Microsoft Word 2013 RT Service Pack 1, Microsoft OneNote 2010 Service Pack 2, Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft SharePoint Enterprise Server 2016, and Microsoft Word 2016
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8509 (Patch, Mitigation, Vendor Advisory)
- www.securityfocus.com/bid/98812 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-8509?
- CVE-2017-8509 is a high-severity vulnerability in Microsoft Office. CVSS score: 8.8/10. Published 2017-06-15.
- How severe is CVE-2017-8509?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2017-8509 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.