CVE-2018-8598
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the...
CVE-2018-8598 is a medium vulnerability (CVSS 4.7) in Microsoft Excel, published December 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.22%, the 93rd percentile. No source names a fixed version.
- Severity
- 4.7 MediumCVSS 3.0, NVD
- Exploit chance
- 6.22%EPSS, 93rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2018-8598- CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2018-8598- Updated
- 2026-11-02
EUVDEUVD-2018-20213No score
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.
- Record
EUVD-2018-20213- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-643h-w2r6-x59x
An information disclosure vulnerability exists when Microsoft Excel improperly discloses the...
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.
- Record
GHSA-643h-w2r6-x59x- CVSS 3.0
- 4.7 Medium
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.