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CVE-2018-8331
A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka…
High7.8EPSS 19.5%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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.
Timeline
ID reserved
By microsoft
- 6 months later
· 6 months later
Published
- 6 years later
· 6 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 | 3.0 | High7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 19.5% · top 2.6% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- Remote Code Execution
Affected products
- affected 2016 Click-to-Run (C2R) for 32-bit editions
- affected 2016 Click-to-Run (C2R) for 64-bit editions
- affected 2016 for Mac
References (3)
- 105206 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8331 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1041630 (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)
- 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-2018-8331)Record last updated .