Information disclosure in Microsoft Excel
CVE-2018-8429
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.123 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.123 · newest: 0.123 · change: 0.000
Affected products
- Microsoft Excel — versions 2010, 2013, 2016
- Microsoft Excel Viewer — versions 2007
- Microsoft Excel — versions 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1
- Microsoft Excel Viewer — versions 2007 Service Pack 3
- Microsoft Office — versions 2016 Click-to-Run (C2R) for 32-bit editions, 2016 Click-to-Run (C2R) for 64-bit editions, 2016 for Mac
- Microsoft Office — versions 2016
- Microsoft Office Compatibility Pack
- Microsoft Office For Mac — versions 2016
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429 (Patch, Vendor Advisory)
- www.securityfocus.com/bid/105219 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1041630 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8429?
- CVE-2018-8429 is a medium-severity vulnerability in Microsoft Excel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-09-13.
- How severe is CVE-2018-8429?
- Medium severity. CVSS v3 base score is 5.5 out of 10.