CVE-2018-8598 json
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel I…
published 2018-12-12 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-20213
- cvss
- 4.7
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.2%
- EPSS 6.2% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8627.
Patch / fix
Exploit prediction
6.22% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.7 | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
Affected products
- Microsoft Microsoft Office
- Microsoft Office
- Microsoft Microsoft Excel
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8598
patch, vendor-advisory
-
securityfocus.com
/bid/106102
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8598
- NVD CVE-2018-8598
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.