XSS in Microsoft Office
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 Privilege Vulnerability." This affects Microsoft Office, Microsoft Office Online Server. This CVE ID is unique from CVE-2018-8245.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.035 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.047 · newest: 0.035 · change: -0.012
Affected products
- Microsoft Office — versions Web Apps Server 2013 Service Pack 1
- Microsoft Office Online Server — versions 2016
- Microsoft Office Online Server — versions 2016
- Microsoft Office Web Apps — versions 2013
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8247 (Patch, Vendor Advisory)
- www.securitytracker.com/id/1041104 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/104319 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8247?
- CVE-2018-8247 is a medium-severity vulnerability in Microsoft Office, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-06-14.
- How severe is CVE-2018-8247?
- Medium severity. CVSS v3 base score is 5.4 out of 10.