Vulnerability in Microsoft Excel
CVE-2018-8331
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.195 (97.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.195 · newest: 0.195 · change: 0.000
Affected products
- Microsoft Excel
- 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
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105206 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8331 (Patch, Vendor Advisory)
- www.securitytracker.com/id/1041630 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8331?
- CVE-2018-8331 is a high-severity vulnerability in Microsoft Excel. CVSS score: 7.8/10. Published 2018-09-13.
- How severe is CVE-2018-8331?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-8331 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.